부산대학교 도서관

Jentsch, V.L.; Wolf, O.T.; Otto, T.; Merz, C.J.

In: Psychophysiology. (Psychophysiology, November 2023, 60(11))

V.L. Chan-Palay; B. Jentsch

Pan, D.-N.; Jentsch, V.L.; Langer, K.; Hagedorn, B.; Wolf, O.T.; Merz, C.J.; Höffken, O.

In: Neurobiology of Stress. (Neurobiology of Stress, July 2023, 25)

Langer, K.; Jentsch, V.L.; Wolf, O.T.

In: Psychoneuroendocrinology. (Psychoneuroendocrinology, May 2023, 151)

Jentsch, V.L.; Pötzl, L.; Wolf, O.T.; Merz, C.J.

In: Frontiers in Neuroendocrinology. (Frontiers in Neuroendocrinology, October 2022, 67)

Langer, K.; Wolf, O.T.; Merz, C.J.; Jentsch, V.L.

In: Neuroscience and Biobehavioral Reviews. (Neuroscience and Biobehavioral Reviews, March 2025, 170)

Langer, K.; Jentsch, V.L.; Wolf, O.T.

In: European Journal of Neuroscience. (European Journal of Neuroscience, May 2022, 55(9-10):2684-2698)

Langer, K.; Jentsch, V.L.; Wolf, O.T.

In: Biological Psychology. (Biological Psychology, March 2022, 169)

Langer, K.; Wolf, O.T.; Jentsch, V.L.

In: Psychoneuroendocrinology. (Psychoneuroendocrinology, March 2021, 125)

Langer, K.; Hagedorn, B.; Stock, L.-M.; Otto, T.; Wolf, O.T.; Jentsch, V.L.

In: Scientific Reports. (Scientific Reports, 1 December 2020, 10(1))

Jentsch, V.L.; Wolf, O.T.

In: Neurobiology of Learning and Memory. (Neurobiology of Learning and Memory, September 2020, 173)

Jentsch, V.L.; Wolf, O.T.

In: Biological Psychology. (Biological Psychology, July 2020, 154)

Jentsch, V.L.; Wolf, O.T.; Merz, C.J.

In: International Journal of Psychophysiology. (International Journal of Psychophysiology, January 2020, 147:93-99)

Lonsdorf, T.B.; Klingelhöfer-Jens, M.; Sjouwerman, R.; Beckers, T.; Chalkia, A.; Gerlicher, A.; Mertens, G.; Richter, J.; Andreatta, M.; Jentsch, V.L.; Drexler, S.M.; Merz, C.J.; Wendt, J.

In: eLife. (eLife, December 2019, 8)

Jentsch, V.L.; Merz, C.J.; Wolf, O.T.

In: Behavioural Brain Research. (Behavioural Brain Research, 18 November 2019, 374)

Meir Drexler, S.; Merz, C.J.; Jentsch, V.L.; Wolf, O.T.

In: Neuroforum. (Neuroforum, 1 August 2020, 26(3):133-141)

Meir Drexler, S.; Merz, C.J.; Jentsch, V.L.; Wolf, O.T.

In: Neuroscience and Biobehavioral Reviews. (Neuroscience and Biobehavioral Reviews, March 2019, 98:145-153)

Bürgi, J.J.; Hornung, H.; Jentsch, J.; Boller, V.L.; Dollenmaier, G.; Reut, M.; Boy, R.G.; Nolte, O.; Korte, W.; Rösslein, M.; Wick, P.; Peier, K.; Nohynek, B.; Fischer, A.; Stolz, R.; Cettuzzi, M.

In: Journal of Infection. (Journal of Infection, March 2022, 84(3):418-467)

Smith, N.G.; Rodgers, V.L.; Brzostek, E.R.; Kulmatiski, A.; Avolio, M.L.; Hoover, D.L.; Koerner, S.E.; Grant, K.; Jentsch, A.; Fatichi, S.; Niyogi, D.

In: Reviews of Geophysics. (Reviews of Geophysics, 1 September 2014, 52(3):412-434)

Eichhorst B; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Niemann CU; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Kater AP; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Fürstenau M; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; von Tresckow J; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Zhang C; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Robrecht S; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Gregor M; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Juliusson G; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Thornton P; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Staber PB; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Tadmor T; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Lindström V; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; da Cunha-Bang C; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Schneider C; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Poulsen CB; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Illmer T; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Schöttker B; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Nösslinger T; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Janssens A; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Christiansen I; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Baumann M; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Frederiksen H; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; van der Klift M; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Jäger U; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Leys MBL; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Hoogendoorn M; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Lotfi K; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Hebart H; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Gaska T; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Koene H; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Enggaard L; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Goede J; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Regelink JC; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Widmer A; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Simon F; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; De Silva N; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Fink AM; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Bahlo J; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Fischer K; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Wendtner CM; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Kreuzer KA; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Ritgen M; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Brüggemann M; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Tausch E; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Levin MD; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; van Oers M; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Geisler C; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Stilgenbauer S; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).; Hallek M; From the Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne (B.E., M.F., C.Z., S.R., F.S., A.-M.F., J.B., K.F., K.A.K., M. Hallek), the Clinic for Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen (J.T.), the Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm (C.S., E.T., S.S.), Group Practice for Hematology and Oncology, Dresden (T.I.); the Hematology-Oncology Center, Würzburg (B.S.), Specialist Medical Practice of Hematology and Oncology, Mutlangen (H.H.), the Department of Hematology, Clinic for Hematology and Oncology, Centrum of Oncology, Brüderhospital St. Josef, Paderborn (T.G.), the Munich Clinic Schwabing, Academic Teaching Hospital, Ludwig Maximilian University, Munich (C.-M.W.); and the Department of Hematology, University Hospital Schleswig-Holstein, Campus Kiel (M.R., M. Brüggemann), Kiel - all in Germany; the Department of Hematology, Odense Rigshospitalet, Copenhagen University Hospital (C.U.N., C.C.-B., C.G.), and the Department of Hematology, Center for Cancer and Organ Diseases, Rigshospitalet (L.E.),Copenhagen, the Department of Hematology, Faculty of Medicine, Aalborg University Hospital, Aalborg (I.C.), the Department of Hematology, Zealand University Hospital, Roskilde (C.B.P.), and the Department of Hematology, Odense University Hospital, Odense (H.F.) - all in Denmark; the Department of Hematology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam (A.P.K., M.O.), the Department of Internal Medicine, Amphia Hospital, Breda (M.K.), the Department of Hematology, Maasstad Ziekenhuis, Rotterdam (M.B.L.L.), the Department of Hematology and Oncology, Medical Center Leeuwarden, Leeuwarden (M. Hoogendoorn), the Department of Hematology, St. Antonius Hospital Utrecht, Utrecht (H.K.), the Department of Hematology, Meander Medical Center, Amersfoort (J.C.R.), and the Department of Hematology, Albert Schweitzer Hospital, Dordrecht (M.-D.L.) - all in the Netherlands; the Department of Hematology, Luzerner Kantonsspital, Lucerne (M.G.), the Department of Hematology, Kantonsspital St. Gallen, St. Gallen (M. Baumann), the Department of Hematology, Clinic for Medical Oncology and Hematology, Kantonsspital Hospital Winterthur, Winterthur (J.G.), and the Department of Medical Oncology and Hematology Clinic, University Hospital Zürich, Zürich (A.W.) - all in Switzerland; the Department of Hematology, Lund University Cancer Center, Lund (G.J.), and the Department of Hematology, Linköping University Hospital, Linköping (K.L.) - both in Sweden; the Department of Hematology, Blackrock Health Member Hospitals, Hermitage Clinic, Dublin (P.T.); the Department of Medicine I, Division of Hematology and Hemostaseology (P.B.S.), the Department of Internal Medicine, University Hospital for Internal Medicine, Clinical Department of Hematology and Hemostaseology (U.J.), and the Comprehensive Cancer Center Vienna, Vienna General Hospital (P.B.S.), Medical University of Vienna, and the Department of Hematology and Oncology, Hanusch Hospital (T.N.) - both in Vienna; the Department of Hematology and Blood Bank, Bnai Zion Medical Center, Haifa, Israel (T.T.); the Department of Hematology, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki (V.L.); the Department of Oncology, Universitair Ziekenhuis Leuven, Leuven, Belgium (A.J.); and the Department of Hematology, University College London, London (N.D.S.).

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