부산대학교 도서관

Broms, J; Linhardt, C; Fevang, E; Helliksson, F; Skallsjo, G; Haugland, H; Knudsen, JS; Bekkevold, M; Tvede, MF; Brandenstein, P

BRITISH JOURNAL OF ANAESTHESIA. 131(6):1102-1111

Hilbert-Carius, Peter; Struck, Manuel F.; Rudolph, Marcus; Knapp, Jürgen; Rognås, Leif; Adler, Jörn; Slagt, Cor; Jacobsen, Lars; Pich, Henryk; Christian, Michael D.; Dandrifosse, Didier; Abu-Zidan, Fikri M.; Maddock, Alistair; Truhlar, Anatolij; Joaosagla, Antonio; Nevin, Daniel; Werner, Daniel; Moens, Didier; Aylagas, Diego; Quinn, Eimhea; Smrzova, Eva; Pernot, Frederic; Helliksson, Fredrik; van Geffen, Geert Jan; Aichinger, Gernot; van derde Velde, Jason; Chatterjee, John; Seifert, Jörg; Holm, Kirsti Strammen; Hirner, Manfred; de Leeuw, Marcel; Kowalski, Marcin; Radnai, Marton; Rebling, Niko; Lakatos, Philipp; Ketelaars, Rein; Lyon, Richard; Galazkowski, Robert; Gebei, Robert; Tranca, Sebastian Daniel; Sollid, Stephen; Lampic, Uros; Pietsch, Urs; Schweigkofler, Uwe; Voipio, Ville; Voelckel, Wolfgang

Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine. August 26, 2021, Vol. 29 Issue 1

Helliksson, F; Wernerman, J; Wiklund, L; Rosell, J; Karlsson, M

SCANDINAVIAN JOURNAL OF CLINICAL & LABORATORY INVESTIGATION. 76(6):479-485

Moseby-Knappe M; Department of Clinical Sciences Lund, Lund University, Lund, Sweden; Department of Neurology, Skåne University Hospital, Lund, Sweden; Department of Rehabilitation, Skåne University Hospital, Lund, Sweden. Electronic address: marion.moseby_knappe@med.lu.se.; Levin H; Department of Clinical Sciences Lund, Lund University, Lund, Sweden; Department of Research, Development, Education and Innovation, Skåne University Hospital, Lund, Sweden.; Ullén S; Clinical Studies Sweden Forum South, Skåne University Hospital, Lund, Sweden.; Zetterberg H; Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, The Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden; Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden; Department of Neurodegenerative Disease, UCL Institute of Neurology, London, UK; UK Dementia Research Institute at UCL, London, UK; Hong Kong Center for Neurodegenerative Diseases, Hong Kong Special Administrative Region, China; Wisconsin Alzheimer's Disease Research Center, University of Wisconsin School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA.; Blennow K; Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden; Institute of Neuroscience and Physiology, University of Gothenburg, Mölndal, Sweden; Paris Brain Institute, ICM, Pitié-Salpêtrière Hospital, Sorbonne University, Paris, France; Neurodegenerative Disorder Research Center, Division of Life Sciences and Medicine, and Department of Neurology, Institute on Aging and Brain Disorders, University of Science and Technology of China and First Affiliated Hospital of University of Science and Technology of China, Hefei, China.; Lagebrant A; Department of Clinical Sciences Lund, Lund University, Lund, Sweden; Department of Neurology, Skåne University Hospital, Malmö, Sweden.; Dankiewicz J; Department of Clinical Sciences Lund, Lund University, Lund, Sweden; Department of Cardiology, Skåne University Hospital, Lund, Sweden.; Jakobsen JC; Department of Regional Health Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark; Copenhagen Trial Unit, Centre for Clinical Intervention Research, Copenhagen University Hospital, Copenhagen, Denmark.; Lilja G; Department of Clinical Sciences Lund, Lund University, Lund, Sweden; Department of Neurology, Skåne University Hospital, Lund, Sweden.; Nichol AD; University College Dublin-Clinical Research Centre at St Vincent's University Hospital, Dublin, Ireland; The Australian and New Zealand Intensive Care Research Centre, Monash University, Melbourne, VIC, Australia.; Eastwood G; The Australian and New Zealand Intensive Care Research Centre, Monash University, Melbourne, VIC, Australia.; Ainscough K; University College Dublin-Clinical Research Centre at St Vincent's University Hospital, Dublin, Ireland.; Thomas MJC; University Hospitals, Bristol and Weston NHS Trust, Bristol, UK.; Grejs AM; Department of Intensive Care Medicine, Aarhus University Hospital, Aarhus, Denmark; Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.; Keeble TR; University Hospitals, Bristol and Weston NHS Trust, Bristol, UK; Essex Cardiothoracic Centre, Essex, UK; Anglia Ruskin School of Medicine & MTRC, Anglia Ruskin University, Essex, UK.; Rylander C; Anaesthesia and Intensive Care Unit, Department of Surgical Sciences, Uppsala University, Uppsala, Sweden.; Düring J; Department of Clinical Sciences Lund, Lund University, Lund, Sweden; Anaesthesia and Intensive Care, Skåne University Hospital, Malmö, Sweden.; Wise MP; Adult Critical Care Unit, University Hospital of Wales, Cardiff, UK.; Hovdenes J; Department of Anaesthesiology, Oslo University Hospital, Oslo, Norway.; Storm C; Department of Nephrology and Medical Intensive Care Medicine, Campus Virchow-Klinikum, Charité-Universitätsmedizin Berlin, Berlin, Germany.; Borgquist O; Department of Clinical Sciences Lund, Lund University, Lund, Sweden; Department of Cardiothoracic Surgery, Anaesthesia, and Intensive Care, Skåne University Hospital, Lund, Sweden.; Cariou A; Medical ICU, Cochin Hospital, Assistance Publique-Hôpitaux de Paris Centre Université Paris Cité, Paris, France.; Deye N; Medical & Toxicological Intensive Care Unit, Inserm UMR-S 942, Lariboisiere University Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France.; Lascarrou JB; Medecine Intensive Reanimation, UR 4334, Motion-Interactions-Performance Laboratory (MIP), Nantes Université, Nantes University Hospital, Nantes, France.; Bannard-Smith J; Manchester Academic Health Sciences Centre, Manchester University NHS Foundation Trust, Manchester, UK.; Undén J; Department of Clinical Sciences Lund, Lund University, Lund, Sweden; Department of Operation and Intensive Care, Hallands Hospital, Halmstad, Sweden.; Vignon P; Medical-Surgical Intensive Care Unit and Inserm CIC 1439, Dupuytren Teaching Hospital, Limoges, France.; Legriel S; Intensive Care Unit, Versailles Hospital, Le Chesnay, France; Centre de Recherche en Epidémiologie et Santé des Populations, Université Paris-Saclay, University of Versailles Saint-Quentin-en-Yvelines, Inserm, Villejuif, France.; Šmíd O; 3rd Department of Internal Medicine, General University Hospital in Prague, Prague, Czech Republic.; Pogson D; Department of Critical Care, Portsmouth Hospitals University Trust, Portsmouth, UK.; Karasek J; Department of Emergency Medicine, 2nd Faculty of Medicine of Charles University and University Hospital Motol, Prague, Czech Republic; Department of Cardiology, Coronary Care Unit, Regional Hospital Liberec, Liberec, Czech Republic.; McGuigan PJ; Regional Intensive Care Unit, Royal Victoria Hospital, Belfast, UK; Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, Belfast, UK.; Joannidis M; Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University of Innsbruck, Innsbruck, Austria.; Kirkegaard H; Department of Clinical Medicine, Aarhus University, Aarhus University, Aarhus, Denmark; Research Center for Emergency Medicine, Emergency Department, Aarhus University Hospital, Aarhus, Denmark.; Bewley J; Intensive Care Unit, Bristol Royal Infirmary, University Hospitals Bristol and Weston NHS Foundation Trust, Bristol, UK.; Christensen S; Department of Intensive Care Medicine, Aarhus University Hospital, Aarhus, Denmark; Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.; Maccaroni MR; Essex Cardiothoracic Centre, Essex, UK; Anglia Ruskin School of Medicine & MTRC, Anglia Ruskin University, Essex, UK.; Valerianova A; 3rd Department of Internal Medicine, General University Hospital in Prague, Prague, Czech Republic.; Lundin A; Department of Anaesthesiology and Intensive Care Medicine, Institute of Clinical Sciences at the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.; Lybeck A; Department of Clinical Sciences Lund, Lund University, Lund, Sweden; Department of Anaesthesia and Intensive Care, Skåne University Hospital, Lund, Sweden.; Leithner C; Department of Neurology and Experimental Neurology, Charité-Universitätsmedizin Berlin, Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany.; Varhaník F; 1st Department of Internal Medicine-Cardioangiology, Faculty of Medicine, University Hospital Hradec Králové and Charles University, Hradec Králové, Czech Republic.; Sweet K; University Hospitals, Bristol and Weston NHS Trust, Bristol, UK.; Walden A; Intensive Care Medicine, Royal Berkshire Hospital, Reading, UK.; Friberg H; Department of Clinical Sciences Lund, Lund University, Lund, Sweden; Anaesthesia and Intensive Care, Skåne University Hospital, Malmö, Sweden.; Cronberg T; Department of Clinical Sciences Lund, Lund University, Lund, Sweden; Department of Neurology, Skåne University Hospital, Lund, Sweden.; Nielsen N; Department of Clinical Sciences Lund, Lund University, Lund, Sweden; Department of Anaesthesia and Intensive Care, Helsingborg Hospital, Helsingborg, Sweden.

Publisher: Elsevier Country of Publication: England NLM ID: 101605555 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 2213-2619 (Electronic) Linking ISSN: 22132600 NLM ISO Abbreviation: Lancet Respir Med Subsets: MEDLINE

Turella, S.; Sandroni, C.; Dankiewicz, J.; Friberg, H.; Jakobsen, J.C.; Leithner, C.; Levin, H.; Lilja, G.; Cronberg, T.; Moseby-Knappe, M.; Nielsen, N.; Rossetti, A.O.; Zubler, F.; Westhall, E.; Wijdicks, E.F.M.; Headlee, A.M.; Fugate, J.; Doshi, A.A.; Sprouse, S.D.; Callaway, C.W.; Vamplew, L.; Pitts, S.; Letts, M.; Howe, E.; Branney, D.; Bowman, K.; Barratt, N.; Chee, N.; Quayle, R.; Bannard-Smith, J.; Rose, S.; Daly, Z.; Pogson, D.; Keating, L.; Jacques, N.; Frise, M.; Bhuie, P.; Bartley, S.; Walden, A.; Yakoub, K.; Whitehouse, T.; Spruce, E.; Snelson, C.; Smith, H.; Neal, A.; McGhee, C.; Harkett, S.; Goundry, S.; Fellows, E.; Ellis, K.; Dooley, N.; Despy, L.; Cooper, L.; Clark, A.; Carrera, R.; Bergin, C.; Bentley, C.; Isherwood, P.; Webber, T.; Watson, N.; Waghmare, K.; Urovi, S.; Tang, K.H.; Solesbury, A.; Sayer, J.; Robinson, N.M.; Redman, E.; Pepper, S.; Namjoshi, G.; Nalgirkar, R.; Nain, N.; Mion, M.; Maloney, G.; Maccaroni, M.; Kittridge, L.; Kelly, P.A.; Kabir, 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M.; Johnsson, J.; Hassel, L.; Gustavsson, N.; Ebner, F.; Andertun, S.; Annborn, M.; Schrey, S.; Rundgren, M.; Persson, O.; Mattiasson, G.; Lybeck, A.; Kander, T.; Dragancea, I.; Blennow-Nordström, E.; Bjärnroos, A.; Adolfsson, A.; Borgquist, O.; Schmidbauer, S.; Hau, S.O.; Lundberg, O.; Larsson, M.; Heimburg, K.; Frid, P.; Didriksson, I.; Bohm, M.; Bergström, M.; Düring, J.; Ryding, B.; Myhrman, E.; Martner, P.; Lundin, A.; Eiving, I.; Lindgren, R.D.; Ahlqvist, M.; Rylander, C.; Heyden, K.V.; Townend, K.; Shaw, G.; Roberts, J.; Ritzemar-Carter, J.; Morris, A.; Morgan, S.; Minto, E.; Mehrtens, J.; McKay, J.; Hitchings, L.; Henderson, S.; Davidson, N.; Crombie, R.; Closey, D.; Burke, T.; Bowie, D.; Birker, B.; Knight, D.; Wright, J.; Tietjens, K.; Robinson, C.; Psirides, A.; Olatunji, S.; Moore, J.; Lawrence, C.; Latimer-Bell, C.; Judd, H.; Hunt, A.; Edney, S.; Dinsdale, D.; Beehre, N.; Barry, B.; Barnes, C.; Young, P.; Wickman, C.F.; Kårstad, K.Å.; Sørensen, L.H.; Fanebust, R.; Post, J.I.; Holen, M.; Skjelnes, L.E.; Olsen, R.B.; Næss, H.M.; Klepstad, P.; Erbe, T.M.; Bergum, D.; Langeland, H.; Akselsen, G.R.; Rasmussen, Å.; Pieschke, S.; Jacobsen, S.; Drægni, T.; Aune, V.; Hovdenes, J.; Macchini, E.; Lucangelo, U.; Berlot, G.; Roman-Pognuz, E.; Melegari, G.; Giuliani, E.; Bertellini, E.; Barbieri, A.; Tarantino, F.; Robba, C.; Mandelli, M.; Maiani, S.; Iachi, A.; Frisoni, P.; Firpo, I.; Bonatti, G.; Battaglini, D.; Ball, L.; Brunetti, I.; Streitberger, K.J.; Nee, J.; Kress, G.; Storm, C.; Goudelin, M.; Fedou, A.-L.; Francois, B.; Evrard, B.; Desachy, A.; Daix, T.; Vignon, P.; Reignier, J.; Miaihle, A.F.; Garret, C.; Canet, E.; Lascarrou, J.-B.; Paul, M.; Lacave, G.; Ferre, A.; Bellut, H.; Legriel, S.; Sutterlin, L.; Mora, P.; Megarbane, B.; Deye, N.; Savary, G.; Marin, N.; Jozwiak, M.; Jaubert, P.; Gavaud, A.; Dupland, P.; Cao, A.; Cariou, A.; Østergaard, L.G.; Thomsen, I.K.; Juhl-Olsen, P.; Christensen, S.; Grejs, A.; Strýček, M.; Karásek, J.; Varhaník, 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In: Intensive Care Medicine. (Intensive Care Medicine, January 2024, 50(1):90-102)

Robba, C.; Battaglini, D.; Ball, L.; Brunetti, I.; Pelosi, P.; Badenes, R.; Sanfilippo, F.; Jakobsen, J.C.; Lilja, G.; Friberg, H.; Wendel-Garcia, P.D.; Young, P.J.; Eastwood, G.; Chew, M.S.; Unden, J.; Thomas, M.; Joannidis, M.; Nichol, A.; Lundin, A.; Hollenberg, J.; Hammond, N.; Saxena, M.; Martin, A.; Solar, M.; Taccone, F.S.; Dankiewicz, J.; Nielsen, N.; Grejs, A.M.; Ebner, F.; Bělohlávek, J.; Callaway, C.; Cariou, A.; Cronberg, T.; Erlinge, D.; Hovdenes, J.; Kirkegaard, H.; Levin, H.; Morgan, M.P.G.; Nordberg, P.; Oddo, M.; Rylander, C.; Storm, C.; Ullén, S.; Wise, M.P.; Rowan, K.; Harrison, D.; Mouncey, P.; Shankar-Hari, M.; Young, D.; Lange, T.; Palmér, K.; Karlsson, U.-B.; Heissler, S.; Bass, F.; Myburgh, J.; Taylor, C.; Bellino, A.; Abel-all, M.; Finfer, B.; Koch, C.; Li, Y.; O’Connor, A.; Pilowsky, J.; Schneider, T.; Tippett, A.; Ady, B.; Broadley, T.; Brown, A.; Melgaard, L.; Morgan, M.; Singh, V.; Symons, R.; Becker, K.; Sante, N.; Saleova, V.; Zerzanova, S.; Sefir-Kribel, S.; Lübeck, U.; Carrara, M.; Fernando, K.; Mackle, D.; Navarra, L.; Riley, J.; Westerheim, E.; Flatebø, M.; Ceric, A.; Haxhija, Z.; Terling, L.; Bossmar, L.; Jergle, L.; Månsson, H.H.; Maillard, S.A.; Zagar, A.V.; Jodlauk, C.; Scrivens, J.; Ainscough, K.; Fahey, C.; Bellomo, R.; Peck, L.; Young, H.; Cheung, W.; Cross, R.; Hayes, M.; Jain, N.; Kol, M.; Shah, A.; Wagh, A.; Wong, H.; Eduardo Martinez, F.; Brinkerhoff, G.; Bush, D.; Stewart, A.; Aneman, A.; Lombardo, L.; McCanny, P.; Penketh, J.; Seppelt, I.; Gresham, R.; Lowrey, J.; Masters, K.; Whitehead, C.; Walsham, J.; Harward, M.; Mackay, J.; Meyer, J.; Saylor, E.; Venz, E.; Wetzig, K.; Stedman, W.; Ashelford, A.; Mar, S.; Tokumitsu, M.; Yarad, E.; Buscher, H.; Reynolds, C.; Udy, A.; Burrell, A.; Collins, J.; Gantner, D.; Martin, V.E.-L.; Mccracken, P.; Nanjayya, V.; Richardson, A.S.; Young, M.; Ghosh, A.; Said, S.; Beer, R.; Hartig, F.; Helbok, R.; Klein, S.; Peer, A.; Creteur, J.; Durand, D.; Dupont, M.; Christiaens, S.; Claes, C.; Deckx, S.; Ferdinande, B.; Lenaerts, S.; Mullens, W.; Stroobants, S.; Theunissen, E.; Verhaert, D.; Šmíd, O.; Flaksa, M.; Kemlink, D.; Malík, J.; Otáhal, M.; Rulíšek, J.; Šíranec, M.; Stach, Z.; Valeriánová, A.; Zavadilova, P.; Solař, M.; Bánszky, R.; Červená, J.; Pařízková, R.Č.; Šimůnek, L.; Varhaník, F.; Karásek, J.; Strýček, M.; Grejs, A.; Christensen, S.; Juhl-Olsen, P.; Thomsen, I.K.; Østergaard, L.G.; Cao, A.; Dupland, P.; Gavaud, A.; Jaubert, P.; Jozwiak, M.; Marin, N.; Savary, G.; Deye, N.; Megarbane, B.; Mora, P.; Sutterlin, L.; Legriel, S.; Bellut, H.; Ferre, A.; Lacave, G.; Paul, M.; Lascarrou, J.-B.; Canet, E.; Garret, C.; Miaihle, A.F.; Reignier, J.; Vignon, P.; Daix, T.; Desachy, A.; Evrard, B.; Francois, B.; Fedou, A.-L.; Goudelin, M.; Leithner, C.; Nee, J.; Streitberger, K.J.; Bonatti, G.; Firpo, I.; Frisoni, P.; Iachi, A.; Maiani, S.; Mandelli, M.; Tarantino, F.; Barbieri, A.; Bertellini, E.; Giuliani, E.; Melegari, G.; Roman-Pognuz, E.; Berlot, G.; Lucangelo, U.; Macchini, E.; Aune, V.; Drægni, T.; Jacobsen, S.; Pieschke, S.; Rasmussen, Å.; Akselsen, G.R.; Langeland, H.; Bergum, D.; Erbe, T.M.; Klepstad, P.; Næss, H.M.; Olsen, R.B.; Skjelnes, L.E.; Holen, M.; Post, J.I.; Fanebust, R.; Sørensen, L.H.; Kårstad, K.Å.; Wickman, C.F.; Barnes, C.; Barry, B.; Beehre, N.; Dinsdale, D.; Edney, S.; Hunt, A.; Judd, H.; Latimer-Bell, C.; Lawrence, C.; Moore, J.; Olatunji, S.; Psirides, A.; Robinson, C.; Tietjens, K.; Wright, J.; Knight, D.; Birker, B.; Bowie, D.; Burke, T.; Closey, D.; Crombie, R.; Davidson, N.; Henderson, S.; Hitchings, L.; McKay, J.; Mehrtens, J.; Minto, E.; Morgan, S.; Morris, A.; Ritzemar-Carter, J.; Roberts, J.; Shaw, G.; Townend, K.; Heyden, K.V.; Ahlqvist, M.; Lindgren, R.D.; Eiving, I.; Martner, P.; Myhrman, E.; Ryding, B.; Düring, J.; Bergström, M.; Bohm, M.; Didriksson, I.; Frid, P.; Heimburg, K.; Larsson, M.; Lundberg, O.; Hau, S.O.; Schmidbauer, S.; Borgquist, O.; Adolfsson, A.; Bjärnroos, A.; Blennow-Nordström, E.; Dragancea, I.; Kander, T.; Lybeck, A.; Mattiasson, G.; Persson, O.; Rundgren, M.; Schrey, S.; Westhall, E.; Annborn, M.; Andertun, S.; Gustavsson, N.; Hassel, L.; Johnsson, J.; Nelderup, M.; Petersson, H.; Petersson, J.; Stafilidou, F.; Undén, J.; Antonsson, F.; Bergman, G.; Gamroth, J.; Meirik, M.; Rudolfsson, K.; Sandberg, H.; Thorsson, M.; Savolainen, K.; Hansbo, M.; Helliksson, M.; Nödtveidt, B.; Sanner, J.; Sem, V.; Lindquist, C.S.; Awad, A.; Börjesson, A.-S.; Hedberg, M.; Henning, M.; Petersen, P.; Dahlberg, E.; Forshammar, J.; Svensson, V.; Wanecek, M.; Eskilsson, H.; Rodriguez-Santos, D.; Appelqvist, Å.; Jidbratt, H.; Johansson, E.; Kiszakiewicz, L.; Nilsson, Å.; Olsson, S.; Paulsson, A.; Stempel, U.; Thoren, A.; Persson, S.; Berglund, I.; Bergström, E.; Törnqvist, C.; Östman, I.; Rubertsson, S.; Larsson, I.-M.; Söderman, E.; Wallin, E.; Wessbergh, J.; Halliday, T.; Engvall, F.; Ben-Hamouda, N.; Bernini, A.; Carron, P.-N.; Eckert, P.; Favre, E.; Miroz, J.-P.; Morelli, P.; Muller, O.; Novi, J.; Rosseti, A.; Schnorf, M.; Haenggi, M.; Levis, A.; Nansoz, S.; Roth, M.; Söll, N.; Schrag, C.; Alicajic, M.; Baier, P.; Dütschler, J.; Flügel, D.; Fässler, E.; Gamio-Veis, R.; Güpfert, M.; Hilpertshauser, Y.; Hägele-Link, S.; Kleger, G.-R.; Krähenmann, P.; Mair, M.E.; Schai, N.; Strohmaier, C.; Tangl, P.; Zieglgänsberger, D.; Maggiorini, M.; Claus, G.; Consani-Vogel, G.; Imbach, L.; Kaiser, S.; Kleinert, E.-M.; Garcia, P.D.W.; Cassina, T.; Agazzi, P.; Capelli, B.; Casso, G.; Regazzi, M.; Schlotterbeck, H.; Via, G.; Villa, M.; Brooks, J.; Cocks, E.; Cole, J.; Curtin, J.; Davies, M.; Davies, R.; Fernandez, S.; Highfield, J.; Hill, H.; Pennant, L.; Rose, S.; Thomas, E.; Williams, A.; McGuigan, P.; Haffey, S.; O’Neill, A.; Ward, K.; Bewley, J.; Chillingworth, A.; Cloake, J.; Cole, L.; Galvin, H.; Garland, Z.; Grimmer, L.; Gumbrill, B.; Howie, L.; Johnson, R.; Searles, C.; Skorko, A.; Sweet, K.; Taylor, V.; Webster, D.; Keeble, T.; Adams, G.; Aggarwal, R.K.; Cartwright, J.-A.; Church, S.; Clesham, G.J.; Davies, J.R.; Farrell, K.; Gamma, R.; Harding, J.; Jagathesan, R.; Kabir, A.; Kelly, P.A.; Kittridge, L.; Maccaroni, M.; Maloney, G.; Mion, M.; Nain, N.; Nalgirkar, R.; Namjoshi, G.; Pepper, S.; Redman, E.; Sayer, J.; Solesbury, A.; Tang, K.H.; Urovi, S.; Waghmare, K.; Watson, N.; Webber, T.; Isherwood, P.; Bentley, C.; Bergin, C.; Carrera, R.; Clark, A.; Cooper, L.; Despy, L.; Dooley, N.; Ellis, K.; Fellows, E.; Goundry, S.; Harkett, S.; McGhee, C.; Neal, A.; Smith, H.; Snelson, C.; Spruce, E.; Whitehouse, T.; Yakoub, K.; Walden, A.; Bartley, S.; Bhuie, P.; Frise, M.; Jacques, N.; Keating, L.; Pogson, D.; Daly, Z.; Rose, S.; Bannard-Smith, J.; Quayle, R.; Chee, N.; Barratt, N.; Bowman, K.; Branney, D.; Howe, E.; Letts, M.; Pitts, S.; Vamplew, L.; Callaway, C.W.; Sprouse, S.D.; Doshi, A.A.; Fugate, J.; Headlee, A.M.; Wijdicks, E.F.M.

In: Critical Care. (Critical Care, December 2022, 26(1))

Robba, C.; Battaglini, D.; Ball, L.; Brunetti, I.; Pelosi, P.; Badenes, R.; Jakobsen, J.C.; Lilja, G.; Friberg, H.; Wendel-Garcia, P.D.; Young, P.J.; Eastwood, G.; Chew, M.S.; Unden, J.; Thomas, M.; Joannidis, M.; Nichol, A.D.; Lundin, A.; Hollenberg, J.; Hammond, N.; Saxena, M.; Annborn, M.; Solar, M.; Taccone, F.S.; Dankiewicz, J.; Nielsen, N.; Belohlávek, J.; Callaway, C.; Cariou, A.; Cronberg, T.; Erlinge, D.; Hovdenes, J.; Jakobsen, J.C.; Kirkegaard, H.; Levin, H.; Morgan, M.P.G.; Nordberg, P.; Oddo, M.; Rylander, C.; Storm, C.; Ullén, S.; Wise, M.P.; Rowan, K.; Harrison, D.; Mouncey, P.; Shankar-Hari, M.; Young, D.; Ullén, S.; Lange, T.; Palmér, K.; Karlsson, U.-B.; Heissler, S.; Bass, F.; Myburgh, J.; Taylor, C.; Bellino, A.; Abel-all, M.; Finfer, B.; Koch, C.; Li, Y.; O’Connor, A.; Pilowsky, J.; Schneider, T.; Tippett, A.; Ady, B.; Broadley, T.; Brown, A.; Melgaard, L.; Morgan, M.; Singh, V.; Symons, R.; Becker, K.; Van Sante, N.; Saleova, V.; Zerzanova, S.; Levin, H.; Sefir-Kribel, S.; Lübeck, U.; Negri, M.; Carrara, M.; Fernando, K.; Mackle, D.; Navarra, L.; Riley, J.; Westerheim, E.; Flatebø, M.; Ceric, A.; Haxhija, Z.; Terling, L.; Bossmar, L.; Jergle, L.; Månsson, H.H.; Maillard, S.A.; Zagar, A.V.; Jodlauk, C.; Hill, H.; Scrivens, J.; Ainscough, K.; Fahey, C.; Bellomo, R.; Peck, L.; Young, H.; Cheung, W.; Cross, R.; Hayes, M.; Jain, N.; Kol, M.; Shah, A.; Wagh, A.; Wong, H.; Martinez, F.E.; Brinkerhoff, G.; Bush, D.; Stewart, A.; Aneman, A.; Lombardo, L.; McCanny, P.; Penketh, J.; Seppelt, I.; Gresham, R.; Lowrey, J.; Masters, K.; Whitehead, C.; Walsham, J.; Harward, M.; Mackay, J.; Meyer, J.; Saylor, E.; Venz, E.; Wetzig, K.; Stedman, W.; Ashelford, A.; Mar, S.; Pilowsky, J.; Tokumitsu, M.; Yarad, E.; Buscher, H.; Reynolds, C.; Udy, A.; Burrell, A.; Collins, J.; Gantner, D.; Martin, V.E.-L.; Mccracken, P.; Nanjayya, V.; Richardson, A.S.; Young, M.; Ghosh, A.; Said, S.; Beer, R.; Hartig, F.; Helbok, R.; Klein, S.; Peer, A.; Creteur, J.; Durand, D.; Dupont, M.; Christiaens, S.; Claes, C.; Deckx, S.; Ferdinande, B.; Lenaerts, S.; Mullens, W.; Stroobants, S.; Theunissen, E.; Verhaert, D.; Šmíd, O.; Flaksa, M.; Kemlink, D.; Malík, J.; Otáhal, M.; Rulíšek, J.; Šíranec, M.; Stach, Z.; Valeriánová, A.; Zavadilova, P.; Solar, M.; Bánszky, R.; Cervená, J.; Parízková, R.C.; Šimunek, L.; Varhaník, F.; Karásek, J.; Strýcek, M.; Grejs, A.; Christensen, S.; Juhl-Olsen, P.; Thomsen, I.K.; Østergaard, L.G.; Dupland, P.; Gavaud, A.; Jaubert, P.; Jozwiak, M.; Marin, N.; Savary, G.; Deye, N.; Megarbane, B.; Mora, P.; Sutterlin, L.; Legriel, S.; Bellut, H.; Ferre, A.; Lacave, G.; Lascarrou, M.P.J.-B.; Canet, E.; Garret, C.; Miaihle, A.F.; Reignier, J.; Vignon, P.; Daix, T.; Desachy, A.; Evrard, B.; Francois, B.; Fedou, A.-L.; Goudelin, M.; Storm, C.; Kress, G.; Leithner, C.; Nee, J.; Streitberger, K.J.; Bonatti, G.; Firpo, I.; Frisoni, P.; Iachi, A.; Maiani, S.; Mandelli, M.; Tarantino, F.; Barbieri, A.; Bertellini, E.; Giuliani, E.; Melegari, G.; Roman-Pognuz, E.; Berlot, G.; Lucangelo, U.; Macchini, E.; Hovdenes, J.; Aune, V.; Drægni, T.; Jacobsen, S.; Pieschke, S.; Rasmussen, Å.; Akselsen, G.R.; Langeland, H.; Bergum, D.; Erbe, T.M.; Klepstad, P.; Næss, H.M.; Olsen, R.B.; Skjelnes, L.E.; Holen, M.; Post, J.I.; Fanebust, R.; Sørensen, L.H.; Kårstad, K.Å.; Wickman, C.F.; Young, P.; Barnes, C.; Barry, B.; Beehre, N.; Dinsdale, D.; Edney, S.; Hunt, A.; Judd, H.; Latimer-Bell, C.; Lawrence, C.; Moore, J.; Olatunji, S.; Psirides, A.; Robinson, C.; Tietjens, K.; Wright, J.; Knight, D.; Birker, B.; Bowie, D.; Burke, T.; Closey, D.; Crombie, R.; Davidson, N.; Henderson, S.; Hitchings, L.; McKay, J.; Mehrtens, J.; Minto, E.; Morgan, S.; Morris, A.; Ritzemar-Carter, J.; Roberts, J.; Shaw, G.; Townend, K.; Vander Heyden, K.; Rylander, C.; Ahlqvist, M.; Lindgren, R.D.; Eiving, I.; Martner, P.; Myhrman, E.; Ryding, B.; Düring, J.; Bergström, M.; Bohm, M.; Didriksson, I.; Frid, P.; Heimburg, K.; Larsson, M.; Lundberg, O.; Hau, S.O.; Schmidbauer, S.; Borgquist, O.; Adolfsson, A.; Bjärnroos, A.; Blennow-Nordström, E.; Dragancea, I.; Kander, T.; Lybeck, A.; Mattiasson, G.; Persson, O.; Rundgren, M.; Schrey, S.; Westhall, E.; Andertun, S.; Ebner, F.; Gustavsson, N.; Hassel, L.; Johnsson, J.; Nelderup, M.; Petersson, H.; Petersson, J.; Stafilidou, F.; Undén, J.; Antonsson, F.; Bergman, G.; Gamroth, J.; Meirik, M.; Rudolfsson, K.; Sandberg, H.; Thorsson, M.; Savolainen, K.; Hansbo, M.; Helliksson, M.; Nödtveidt, B.; Sanner, J.; Sem, V.; Lindquist, C.S.; Awad, A.; Börjesson, A.-S.; Hedberg, M.; Henning, M.; Petersen, P.; Dahlberg, E.; Forshammar, J.; Svensson, V.; Wanecek, M.; Eskilsson, H.; Rodriguez-Santos, D.; Appelqvist, Å.; Jidbratt, H.; Johansson, E.; Kiszakiewicz, L.; Nilsson, Å.; Olsson, S.; Paulsson, A.; Stempel, U.; Thoren, A.; Persson, S.; Berglund, I.; Bergström, E.; Törnqvist, C.; Östman, I.; Rubertsson, S.; Larsson, I.-M.; Söderman, E.; Wallin, E.; Wessbergh, J.; Halliday, T.; Engvall, F.; Oddo, M.; Ben-Hamouda, N.; Bernini, A.; Carron, P.-N.; Eckert, P.; Favre, E.; Miroz, J.-P.; Morelli, P.; Muller, O.; Novi, J.; Rosseti, A.; Schnorf, M.; Haenggi, M.; Levis, A.; Nansoz, S.; Söll, N.; Schrag, C.; Alicajic, M.; Baier, P.; Dütschler, J.; Flügel, D.; Fässler, E.; Gamio-Veis, R.; Güpfert, M.; Hilpertshauser, Y.; Hägele-Link, S.; Kleger, G.-R.; Krähenmann, P.; Mair, M.E.; Schai, N.; Strohmaier, C.; Tangl, P.; Zieglgänsberger, D.; Maggiorini, M.; Claus, G.; Consani-Vogel, G.; Imbach, L.; Kaiser, S.; Kleinert, E.-M.; Wendel Garcia, P.D.; Cassina, T.; Agazzi, P.; Capelli, B.; Casso, G.; Regazzi, M.; Schlotterbeck, H.; Via, G.; Villa, M.; Wise, M.P.; Brooks, J.; Cocks, E.; Cole, J.; Curtin, J.; Davies, M.; Davies, R.; Fernandez, S.; Highfield, J.; Hill, H.; Morgan, M.P.G.; Pennant, L.; Rose, S.; Thomas, E.; Williams, A.; McGuigan, P.; Haffey, S.; O’Neill, A.; Ward, K.; Bewley, J.; Chillingworth, A.; Cloake, J.; Cole, L.; Galvin, H.; Garland, Z.; Grimmer, L.; Gumbrill, B.; Howie, L.; Johnson, R.; Searles, C.; Skorko, A.; Sweet, K.; Taylor, V.; Webster, D.; Keeble, T.; Adams, G.; Aggarwal, R.K.; Cartwright, J.-A.; Church, S.; Clesham, G.J.; Davies, J.R.; Farrell, K.; Gamma, R.; Harding, J.; Jagathesan, R.; Kabir, A.; Kelly, P.A.; Kittridge, L.; Maccaroni, M.; Maloney, G.; Mion, M.; Nain, N.; Nalgirkar, R.; Namjoshi, G.; Pepper, S.; Redman, E.; Robinson, N.M.; Sayer, J.; Solesbury, A.; Tang, K.H.; Urovi, S.; Waghmare, K.; Watson, N.; Webber, T.; Isherwood, P.; Bentley, C.; Bergin, C.; Carrera, R.; Clark, A.; Cooper, L.; Despy, L.; Dooley, N.; Ellis, K.; Fellows, E.; Goundry, S.; Harkett, S.; McGhee, C.; Neal, A.; Smith, H.; Snelson, C.; Spruce, E.; Whitehouse, T.; Yakoub, K.; Walden, A.; Bartley, S.; Bhuie, P.; Frise, M.; Jacques, N.; Keating, L.; Pogson, D.; Daly, Z.; Rose, S.; Bannard-Smith, J.; Quayle, R.; Chee, N.; Barratt, N.; Bowman, K.; Branney, D.; Howe, E.; Letts, M.; Pitts, S.; Vamplew, L.; Callaway, C.W.; Sprouse, S.D.; Doshi, A.A.; Fugate, J.; Headlee, A.M.; Wijdicks, E.F.M.

In: Intensive Care Medicine. (Intensive Care Medicine, 01 August 2022, 48(8):1024-1038)

Dankiewicz J; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Cronberg T; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Lilja G; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Jakobsen JC; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Levin H; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Ullén S; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Rylander C; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Wise MP; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Oddo M; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Cariou A; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Bělohlávek J; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Hovdenes J; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Saxena M; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Kirkegaard H; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Young PJ; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Pelosi P; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Storm C; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Taccone FS; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Joannidis M; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Callaway C; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Eastwood GM; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Morgan MPG; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Nordberg P; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Erlinge D; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Nichol AD; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Chew MS; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Hollenberg J; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Thomas M; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Bewley J; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Sweet K; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Grejs AM; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Christensen S; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Haenggi M; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Levis A; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Lundin A; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Düring J; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Schmidbauer S; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Keeble TR; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Karamasis GV; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Schrag C; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Faessler E; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Smid O; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Otáhal M; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Maggiorini M; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Wendel Garcia PD; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Jaubert P; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Cole JM; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Solar M; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Borgquist O; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Leithner C; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Abed-Maillard S; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Navarra L; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Annborn M; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Undén J; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Brunetti I; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Awad A; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; McGuigan P; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Bjørkholt Olsen R; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Cassina T; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Vignon P; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Langeland H; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Lange T; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Friberg H; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).; Nielsen N; From the Department of Clinical Sciences Lund, Sections of Cardiology (J. Dankiewicz, D.E.), Neurology (T. Cronberg, G.L.), and Anesthesiology and Intensive Care (H. Levin, O.B.), Skåne University Hospital Lund, Lund University and Clinical Studies Sweden - Forum South, Skåne University Hospital (S.U.), Lund; the Department of Clinical Sciences Lund, Section of Anesthesia and Intensive Care, Skåne University Hospital Malmö, Malmö, (J. Düring, S.S., H.F.); the Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care (M.A., N.N.) and Clinical Sciences Helsingborg (N.N.), Helsingborg Hospital, Helsingborg; the Department of Clinical Sciences Lund, Section of Anesthesiology and Intensive Care Lund, Hallands Hospital, Halmstad (J.U.); the Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg (C.R., A. Lundin); the Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institutet, Södersjukhuset, Stockholm (P.N., J. Hollenberg, A.A.); and the Department of Anesthesiology, Intensive Care, and Acute Medicine, Linköping University, Linköping (M.S.C.) - all in Sweden; Copenhagen Trial Unit, Center for Clinical Intervention Research, Copenhagen University Hospital (J.C.J.), and the Section of Biostatistics, Faculty of Health and Medical Sciences (T.L.), University of Copenhagen, Copenhagen, the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark, Odense (J.C.J.), the Research Center for Emergency Medicine, the Department of Clinical Medicine (H.K.), and the Department of Intensive Care (A.M.G., S.C.), Aarhus University Hospital, Aarhus - all in Denmark; Adult Critical Care, University Hospital of Wales, Cardiff (M.P.W., M.P.G.M., J.M.C.), the Department of Intensive Care, Bristol Royal Infirmary, Bristol (M.T., J. Bewley, K.S.), Essex Cardiothoracic Centre, Basildon (T.R.K., G.V.K.), Anglia Ruskin University School of Medicine, Chelmsford, Essex (T.R.K., G.V.K.), and the Department of Anesthesiology and Intensive Care, Royal Victoria Hospital, Belfast (P.M.) - all in the United Kingdom; Neuroscience Critical Care Research Group and Adult Intensive Care Medicine Service, Centre Hospitalier Universitaire Vaudois-Lausanne University Hospital and University of Lausanne, Lausanne (M. Oddo, S.A.-M.), the Departments of Intensive Care Medicine (M.H.) and Anesthesiology and Pain Medicine, Inselspital (A. Levis), Bern University Hospital, University of Bern, Bern, the Intensive Care Department, Kantonsspital St. Gallen, St. Gallen (C. Schrag, E.F.), the Institute of Intensive Care Medicine, University Hospital Zurich, Zurich (M.M., P.D.W.G.), and the Cardiac Anesthesia and Intensive Care Department, Instituto Cardiocentro Ticino, Lugano (T. Cassina) - all in Switzerland; Descartes University of Paris and Cochin University Hospital, Paris (A.C., P.J.), Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges (P.V.) - all in France; the 2nd Department of Medicine (J. Bělohlávek, O.S.), and the Department of Anesthesiology and Intensive Care Medicine (M. Otáhal), General University Hospital and First Faculty of Medicine, Charles University, Prague, the 1st Department of Internal Medicine-Cardioangiology, University Hospital Hradec Králové, and Faculty of Medicine, Charles University, Hradec Králové (M. Solar) - all in the Czech Republic; the Department of Anesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital, Rikshospitalet, Oslo (J. Hovdenes), the Department of Anesthesiology, Sørlandet Hospital, Arendal (R.B.O.), the Department of Anesthesiology and Intensive Care Medicine, St. Olav's University Hospital, and the Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim (H. Langeland) - all in Norway; the Division of Critical Care and Trauma, George Institute for Global Health, and Bankstown-Lidcombe Hospital, South Western Sydney Local Health District, Sydney (M. Saxena), and the Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine (G.M.E., A.D.N.), and the Department of Intensive Care, Alfred Health (A.D.N.), Monash University, Melbourne - all in Australia; the Medical Research Institute of New Zealand, Intensive Care Unit, Wellington Hospital, Wellington (P.J.Y., L.N.); the Departments of Surgical Sciences and Integrated Diagnostics (P.P.) and Anesthesiology and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience (P.P., I.B.), University of Genoa, Genoa, Italy; the Department of Nephrology and Medical Intensive Care (C. Storm), and Klinik und Hochschulambulanz für Neurologie (C.L.), Charité Universitätzmedizin, Berlin, Germany; the Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels (F.S.T.); the Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria (M.J.); the Department of Emergency Medicine, University of Pittsburgh, Pittsburgh (C.C.); and University College Dublin Clinical Research Centre at St. Vincent's University Hospital, Dublin, Ireland (A.D.N.).

Publisher: Massachusetts Medical Society Country of Publication: United States NLM ID: 0255562 Publication Model: Print Cited Medium: Internet ISSN: 1533-4406 (Electronic) Linking ISSN: 00284793 NLM ISO Abbreviation: N Engl J Med Subsets: MEDLINE