부산대학교 도서관

Robson JC; Dawson J; Cronholm PF; Milman N; Kellom KS; Ashdown S; Easley E; Farrar JT; Gebhart D; Lanier G; McAlear CA; Peck J; Luqmani RA; Shea JA; Tomasson G; Merkel PA

Patient Related Outcome Measures, Vol Volume 9, Pp 17-34 (2018)

Vittorio TJ; Lanier G; Zolty R; Sarswat N; Tseng C; Colombo PC; Jorde UP

Echocardiography (ECHOCARDIOGRAPHY), Mar2010; 27(3): 294-299. (6p)

Levine A; From the Department of Cardiology, Westchester Medical Center, Valhalla, NY.; Kai M; Department of Cardiothoracic Surgery, Westchester Medical Center, Valhalla, NY.; Ohira S; Department of Cardiothoracic Surgery, Westchester Medical Center, Valhalla, NY.; Panza JA; From the Department of Cardiology, Westchester Medical Center, Valhalla, NY.; Pan S; From the Department of Cardiology, Westchester Medical Center, Valhalla, NY.; Lanier G; From the Department of Cardiology, Westchester Medical Center, Valhalla, NY.; Aggarwal-Gupta C; From the Department of Cardiology, Westchester Medical Center, Valhalla, NY.; Gass A; From the Department of Cardiology, Westchester Medical Center, Valhalla, NY.

Publisher: Lippincott Williams & Wilkins Country of Publication: United States NLM ID: 9304686 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1538-4683 (Electronic) Linking ISSN: 10615377 NLM ISO Abbreviation: Cardiol Rev Subsets: MEDLINE

Ohira S; Division of Cardiothoracic Surgery, Department of Surgery, Westchester Medical Center, New York Medical College, Valhalla, New York, USA.; Pan S; Department of Cardiology, Westchester Medical Center, New York Medical College, Valhalla, New York, USA.; Levine A; Department of Cardiology, Westchester Medical Center, New York Medical College, Valhalla, New York, USA.; Haidry SA; Department of Cardiology, Westchester Medical Center, New York Medical College, Valhalla, New York, USA.; Aggawal-Gupta C; Department of Cardiology, Westchester Medical Center, New York Medical College, Valhalla, New York, USA.; Lanier G; Department of Cardiology, Westchester Medical Center, New York Medical College, Valhalla, New York, USA.; Gass A; Department of Cardiology, Westchester Medical Center, New York Medical College, Valhalla, New York, USA.; De La Pena C; Division of Cardiothoracic Surgery, Department of Surgery, Westchester Medical Center, New York Medical College, Valhalla, New York, USA.; Goldberg JB; Division of Cardiothoracic Surgery, Department of Surgery, Westchester Medical Center, New York Medical College, Valhalla, New York, USA.; Spielvogel D; Division of Cardiothoracic Surgery, Department of Surgery, Westchester Medical Center, New York Medical College, Valhalla, New York, USA.; Kai M; Division of Cardiothoracic Surgery, Department of Surgery, Westchester Medical Center, New York Medical College, Valhalla, New York, USA.

Publisher: Wiley-Blackwell Country of Publication: United States NLM ID: 7802778 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1525-1594 (Electronic) Linking ISSN: 0160564X NLM ISO Abbreviation: Artif Organs Subsets: MEDLINE

Jain A; Department of Internal Medicine, Westchester Medical Center, Valhalla, NY. jain.ananth.92@gmail.com.; Devarajan A; Department of Internal Medicine, Westchester Medical Center, Valhalla, NY. anushadevarajanmd@gmail.com.; Assallum H; Division of Pulmonary Critical Care, Department of Medicine, Westchester Medical Center, Valhalla, NY. hassallum@gmail.com.; Malekan R; Department of Cardiothoracic Surgery, Westchester Medical Center, Valhalla, NY. Ramin.Malekan@wmchealth.org.; Lanier G; Division of Cardiology, Department of Medicine, Westchester Medical Center, Valhalla, NY. Gregg.Lanier@wmchealth.org.; Epelbaum O; Division of Pulmonary Critical Care, Department of Medicine, Westchester Medical Center, Valhalla, NY. Oleg.Epelbaum@wmchealth.org.

Publisher: Fondazione clinica del lavoro edizioni : Distributed by PI-ME tipographia Country of Publication: Italy NLM ID: 9307314 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1122-0643 (Print) Linking ISSN: 11220643 NLM ISO Abbreviation: Monaldi Arch Chest Dis Subsets: MEDLINE

Yandrapalli S; Department of Cardiology, Westchester Medical Center and New York Medical College, Valhalla, New York, USA srikanth.yn@gmail.com.; Malik A; Department of Cardiology, Westchester Medical Center and New York Medical College, Valhalla, New York, USA.; Pemmasani G; Department of Cardiology, Westchester Medical Center and New York Medical College, Valhalla, New York, USA.; Aronow W; Department of Cardiology, Westchester Medical Center and New York Medical College, Valhalla, New York, USA.; Shah F; Department of Cardiology, Westchester Medical Center and New York Medical College, Valhalla, New York, USA.; Lanier G; Department of Cardiology, Westchester Medical Center and New York Medical College, Valhalla, New York, USA.; Cooper H; Department of Cardiology, Westchester Medical Center and New York Medical College, Valhalla, New York, USA.; Jain D; Department of Cardiology, Westchester Medical Center and New York Medical College, Valhalla, New York, USA.; Naidu S; Department of Cardiology, Westchester Medical Center and New York Medical College, Valhalla, New York, USA.; Frishman W; Department of Medicine, Westchester Medical Center and New York Medical College, Valhalla, New York, USA.; Panza J; Department of Cardiology, Westchester Medical Center and New York Medical College, Valhalla, New York, USA.

Publisher: BMJ Pub. Group Country of Publication: England NLM ID: 9602087 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1468-201X (Electronic) Linking ISSN: 13556037 NLM ISO Abbreviation: Heart Subsets: MEDLINE

Shah K; Division of Cardiology, Cardiac Arrhythmia Service, Beaumont Hospital, Oakland University William Beaumont School of Medicine, Royal Oak, Michigan.; Chaudhary R; Division of Cardiology, University of Pittsburgh Medical Center, Pittsburgh, PA.; K Turagam M; Helmsley Electrophysiology Center, Icahn School of Medicine at Mount Sinai, New York, NY.; Shah M; Division of Cardiology, Thomas Jefferson University Hospital, Philadelphia, PA.; Patel B; Division of Cardiology, West Virginia University Medical Center, Morgantown, VW.; Lanier G; Division of Cardiology, Westchester Medical Center, New York Medical College, Valhalla, NY.; Lakkireddy D; Cardiac Arrhythmia Service, Kansas City Heart Rhythm Institute and Research Foundation, Kansas City, KS.; DL and JG are co-senior authors.; Garg J; Division of Cardiology, Cardiac Arrhythmia Service, Loma Linda University Health, Loma Linda, CA.; DL and JG are co-senior authors.

Publisher: Cardiofront, Inc Country of Publication: United States NLM ID: 101514767 Publication Model: eCollection Cited Medium: Print ISSN: 1941-6911 (Print) Linking ISSN: 19416911 NLM ISO Abbreviation: J Atr Fibrillation Subsets: PubMed not MEDLINE

Milman N; From the Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute; School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Faculty of Health and Applied Science, University of the West of England; School of Clinical Science, University of Bristol, Bristol; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre; Caphri Research Institute, Maastricht University, Maastricht, the Netherlands; Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, and Department of Family Medicine and Community Health, University of Pennsylvania; PolicyLab, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA. nmilman@toh.ca.; The Vasculitis Clinical Research Consortium (VCRC) Outcome Measures in Rheumatology Vasculitis Working Group was supported by the Vasculitis Clinical Research Consortium, which received support from the US National Institute of Arthritis and Musculoskeletal and Skin Diseases (grants U54-AR-057319 and U01-AR-51874 04), the National Center for Research Resources (grant U54-RR-019497), the National Center for Advancing Translational Science, and the Office of Rare Diseases Research, each part of the US National Institutes of Health (NIH). The VCRC is a member of the NIH Rare Diseases Clinical Research Network. The VCRC also received a Pilot award from the Patient-Centered Outcomes Research Institute. Dr. Milman's work was supported by a postgraduate Rheumatology Fellowship award given jointly by UCB Pharma, the Canadian Rheumatology Association, and The Arthritis Society, and a Fellowship from the Ottawa Hospital Department of Medicine. This work was further supported by a Vasculitis Foundation Research Grant. nmilman@toh.ca.; N. Milman, MD, MSc, FRCPC, Assistant Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; E. McConville, MD, Resident, Department of Medicine, University of Ottawa; J.C. Robson, MBBS, PhD, MRCP, Consultant Senior Lecturer in Rheumatology, Faculty of Health and Applied Science, University of the West of England, and School of Clinical Science, University of Bristol; A. Boonen, MD, PhD, Professor, Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University; P. Tugwell, MD, FRCPC, Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa; G.A. Wells, PhD, Professor, School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute; D. Chaudhuri, MD, Resident, Department of Medicine, University of Ottawa; J. Dawson, MA, MSc, DPhil, Visiting Academic Researcher, Nuffield Department of Population Health (HSRU), University of Oxford; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, University Hospital, and Centre for Rheumatology Research, University Hospital; S. Ashdown, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; D. Gebhart, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; G. Lanier, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; J. Peck, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; C.A. McAlear, MA, Project Manager, Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, University of Pennsylvania; K.S. Kellom, BA, PolicyLab, Children's Hospital of Philadelphia; P.F. Cronholm, MD, MSCE, Associate Professor, Department of Family Medicine and Community Health, Perelman School of Medicine, University of Pennsylvania; P.A. Merkel, MD, MPH, Professor, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania. nmilman@toh.ca.; McConville E; From the Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute; School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Faculty of Health and Applied Science, University of the West of England; School of Clinical Science, University of Bristol, Bristol; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre; Caphri Research Institute, Maastricht University, Maastricht, the Netherlands; Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, and Department of Family Medicine and Community Health, University of Pennsylvania; PolicyLab, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.; The Vasculitis Clinical Research Consortium (VCRC) Outcome Measures in Rheumatology Vasculitis Working Group was supported by the Vasculitis Clinical Research Consortium, which received support from the US National Institute of Arthritis and Musculoskeletal and Skin Diseases (grants U54-AR-057319 and U01-AR-51874 04), the National Center for Research Resources (grant U54-RR-019497), the National Center for Advancing Translational Science, and the Office of Rare Diseases Research, each part of the US National Institutes of Health (NIH). The VCRC is a member of the NIH Rare Diseases Clinical Research Network. The VCRC also received a Pilot award from the Patient-Centered Outcomes Research Institute. Dr. Milman's work was supported by a postgraduate Rheumatology Fellowship award given jointly by UCB Pharma, the Canadian Rheumatology Association, and The Arthritis Society, and a Fellowship from the Ottawa Hospital Department of Medicine. This work was further supported by a Vasculitis Foundation Research Grant.; N. Milman, MD, MSc, FRCPC, Assistant Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; E. McConville, MD, Resident, Department of Medicine, University of Ottawa; J.C. Robson, MBBS, PhD, MRCP, Consultant Senior Lecturer in Rheumatology, Faculty of Health and Applied Science, University of the West of England, and School of Clinical Science, University of Bristol; A. Boonen, MD, PhD, Professor, Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University; P. Tugwell, MD, FRCPC, Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa; G.A. Wells, PhD, Professor, School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute; D. Chaudhuri, MD, Resident, Department of Medicine, University of Ottawa; J. Dawson, MA, MSc, DPhil, Visiting Academic Researcher, Nuffield Department of Population Health (HSRU), University of Oxford; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, University Hospital, and Centre for Rheumatology Research, University Hospital; S. Ashdown, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; D. Gebhart, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; G. Lanier, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; J. Peck, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; C.A. McAlear, MA, Project Manager, Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, University of Pennsylvania; K.S. Kellom, BA, PolicyLab, Children's Hospital of Philadelphia; P.F. Cronholm, MD, MSCE, Associate Professor, Department of Family Medicine and Community Health, Perelman School of Medicine, University of Pennsylvania; P.A. Merkel, MD, MPH, Professor, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania.; Robson JC; From the Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute; School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Faculty of Health and Applied Science, University of the West of England; School of Clinical Science, University of Bristol, Bristol; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre; Caphri Research Institute, Maastricht University, Maastricht, the Netherlands; Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, and Department of Family Medicine and Community Health, University of Pennsylvania; PolicyLab, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.; The Vasculitis Clinical Research Consortium (VCRC) Outcome Measures in Rheumatology Vasculitis Working Group was supported by the Vasculitis Clinical Research Consortium, which received support from the US National Institute of Arthritis and Musculoskeletal and Skin Diseases (grants U54-AR-057319 and U01-AR-51874 04), the National Center for Research Resources (grant U54-RR-019497), the National Center for Advancing Translational Science, and the Office of Rare Diseases Research, each part of the US National Institutes of Health (NIH). The VCRC is a member of the NIH Rare Diseases Clinical Research Network. The VCRC also received a Pilot award from the Patient-Centered Outcomes Research Institute. Dr. Milman's work was supported by a postgraduate Rheumatology Fellowship award given jointly by UCB Pharma, the Canadian Rheumatology Association, and The Arthritis Society, and a Fellowship from the Ottawa Hospital Department of Medicine. This work was further supported by a Vasculitis Foundation Research Grant.; N. Milman, MD, MSc, FRCPC, Assistant Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; E. McConville, MD, Resident, Department of Medicine, University of Ottawa; J.C. Robson, MBBS, PhD, MRCP, Consultant Senior Lecturer in Rheumatology, Faculty of Health and Applied Science, University of the West of England, and School of Clinical Science, University of Bristol; A. Boonen, MD, PhD, Professor, Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University; P. Tugwell, MD, FRCPC, Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa; G.A. Wells, PhD, Professor, School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute; D. Chaudhuri, MD, Resident, Department of Medicine, University of Ottawa; J. Dawson, MA, MSc, DPhil, Visiting Academic Researcher, Nuffield Department of Population Health (HSRU), University of Oxford; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, University Hospital, and Centre for Rheumatology Research, University Hospital; S. Ashdown, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; D. Gebhart, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; G. Lanier, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; J. Peck, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; C.A. McAlear, MA, Project Manager, Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, University of Pennsylvania; K.S. Kellom, BA, PolicyLab, Children's Hospital of Philadelphia; P.F. Cronholm, MD, MSCE, Associate Professor, Department of Family Medicine and Community Health, Perelman School of Medicine, University of Pennsylvania; P.A. Merkel, MD, MPH, Professor, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania.; Boonen A; From the Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute; School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Faculty of Health and Applied Science, University of the West of England; School of Clinical Science, University of Bristol, Bristol; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre; Caphri Research Institute, Maastricht University, Maastricht, the Netherlands; Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, and Department of Family Medicine and Community Health, University of Pennsylvania; PolicyLab, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.; The Vasculitis Clinical Research Consortium (VCRC) Outcome Measures in Rheumatology Vasculitis Working Group was supported by the Vasculitis Clinical Research Consortium, which received support from the US National Institute of Arthritis and Musculoskeletal and Skin Diseases (grants U54-AR-057319 and U01-AR-51874 04), the National Center for Research Resources (grant U54-RR-019497), the National Center for Advancing Translational Science, and the Office of Rare Diseases Research, each part of the US National Institutes of Health (NIH). The VCRC is a member of the NIH Rare Diseases Clinical Research Network. The VCRC also received a Pilot award from the Patient-Centered Outcomes Research Institute. Dr. Milman's work was supported by a postgraduate Rheumatology Fellowship award given jointly by UCB Pharma, the Canadian Rheumatology Association, and The Arthritis Society, and a Fellowship from the Ottawa Hospital Department of Medicine. This work was further supported by a Vasculitis Foundation Research Grant.; N. Milman, MD, MSc, FRCPC, Assistant Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; E. McConville, MD, Resident, Department of Medicine, University of Ottawa; J.C. Robson, MBBS, PhD, MRCP, Consultant Senior Lecturer in Rheumatology, Faculty of Health and Applied Science, University of the West of England, and School of Clinical Science, University of Bristol; A. Boonen, MD, PhD, Professor, Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University; P. Tugwell, MD, FRCPC, Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa; G.A. Wells, PhD, Professor, School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute; D. Chaudhuri, MD, Resident, Department of Medicine, University of Ottawa; J. Dawson, MA, MSc, DPhil, Visiting Academic Researcher, Nuffield Department of Population Health (HSRU), University of Oxford; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, University Hospital, and Centre for Rheumatology Research, University Hospital; S. Ashdown, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; D. Gebhart, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; G. Lanier, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; J. Peck, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; C.A. McAlear, MA, Project Manager, Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, University of Pennsylvania; K.S. Kellom, BA, PolicyLab, Children's Hospital of Philadelphia; P.F. Cronholm, MD, MSCE, Associate Professor, Department of Family Medicine and Community Health, Perelman School of Medicine, University of Pennsylvania; P.A. Merkel, MD, MPH, Professor, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania.; Tugwell P; From the Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute; School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Faculty of Health and Applied Science, University of the West of England; School of Clinical Science, University of Bristol, Bristol; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre; Caphri Research Institute, Maastricht University, Maastricht, the Netherlands; Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, and Department of Family Medicine and Community Health, University of Pennsylvania; PolicyLab, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.; The Vasculitis Clinical Research Consortium (VCRC) Outcome Measures in Rheumatology Vasculitis Working Group was supported by the Vasculitis Clinical Research Consortium, which received support from the US National Institute of Arthritis and Musculoskeletal and Skin Diseases (grants U54-AR-057319 and U01-AR-51874 04), the National Center for Research Resources (grant U54-RR-019497), the National Center for Advancing Translational Science, and the Office of Rare Diseases Research, each part of the US National Institutes of Health (NIH). The VCRC is a member of the NIH Rare Diseases Clinical Research Network. The VCRC also received a Pilot award from the Patient-Centered Outcomes Research Institute. Dr. Milman's work was supported by a postgraduate Rheumatology Fellowship award given jointly by UCB Pharma, the Canadian Rheumatology Association, and The Arthritis Society, and a Fellowship from the Ottawa Hospital Department of Medicine. This work was further supported by a Vasculitis Foundation Research Grant.; N. Milman, MD, MSc, FRCPC, Assistant Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; E. McConville, MD, Resident, Department of Medicine, University of Ottawa; J.C. Robson, MBBS, PhD, MRCP, Consultant Senior Lecturer in Rheumatology, Faculty of Health and Applied Science, University of the West of England, and School of Clinical Science, University of Bristol; A. Boonen, MD, PhD, Professor, Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University; P. Tugwell, MD, FRCPC, Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa; G.A. Wells, PhD, Professor, School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute; D. Chaudhuri, MD, Resident, Department of Medicine, University of Ottawa; J. Dawson, MA, MSc, DPhil, Visiting Academic Researcher, Nuffield Department of Population Health (HSRU), University of Oxford; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, University Hospital, and Centre for Rheumatology Research, University Hospital; S. Ashdown, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; D. Gebhart, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; G. Lanier, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; J. Peck, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; C.A. McAlear, MA, Project Manager, Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, University of Pennsylvania; K.S. Kellom, BA, PolicyLab, Children's Hospital of Philadelphia; P.F. Cronholm, MD, MSCE, Associate Professor, Department of Family Medicine and Community Health, Perelman School of Medicine, University of Pennsylvania; P.A. Merkel, MD, MPH, Professor, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania.; Wells GA; From the Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute; School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Faculty of Health and Applied Science, University of the West of England; School of Clinical Science, University of Bristol, Bristol; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre; Caphri Research Institute, Maastricht University, Maastricht, the Netherlands; Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, and Department of Family Medicine and Community Health, University of Pennsylvania; PolicyLab, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.; The Vasculitis Clinical Research Consortium (VCRC) Outcome Measures in Rheumatology Vasculitis Working Group was supported by the Vasculitis Clinical Research Consortium, which received support from the US National Institute of Arthritis and Musculoskeletal and Skin Diseases (grants U54-AR-057319 and U01-AR-51874 04), the National Center for Research Resources (grant U54-RR-019497), the National Center for Advancing Translational Science, and the Office of Rare Diseases Research, each part of the US National Institutes of Health (NIH). The VCRC is a member of the NIH Rare Diseases Clinical Research Network. The VCRC also received a Pilot award from the Patient-Centered Outcomes Research Institute. Dr. Milman's work was supported by a postgraduate Rheumatology Fellowship award given jointly by UCB Pharma, the Canadian Rheumatology Association, and The Arthritis Society, and a Fellowship from the Ottawa Hospital Department of Medicine. This work was further supported by a Vasculitis Foundation Research Grant.; N. Milman, MD, MSc, FRCPC, Assistant Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; E. McConville, MD, Resident, Department of Medicine, University of Ottawa; J.C. Robson, MBBS, PhD, MRCP, Consultant Senior Lecturer in Rheumatology, Faculty of Health and Applied Science, University of the West of England, and School of Clinical Science, University of Bristol; A. Boonen, MD, PhD, Professor, Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University; P. Tugwell, MD, FRCPC, Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa; G.A. Wells, PhD, Professor, School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute; D. Chaudhuri, MD, Resident, Department of Medicine, University of Ottawa; J. Dawson, MA, MSc, DPhil, Visiting Academic Researcher, Nuffield Department of Population Health (HSRU), University of Oxford; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, University Hospital, and Centre for Rheumatology Research, University Hospital; S. Ashdown, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; D. Gebhart, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; G. Lanier, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; J. Peck, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; C.A. McAlear, MA, Project Manager, Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, University of Pennsylvania; K.S. Kellom, BA, PolicyLab, Children's Hospital of Philadelphia; P.F. Cronholm, MD, MSCE, Associate Professor, Department of Family Medicine and Community Health, Perelman School of Medicine, University of Pennsylvania; P.A. Merkel, MD, MPH, Professor, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania.; Chaudhuri D; From the Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute; School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Faculty of Health and Applied Science, University of the West of England; School of Clinical Science, University of Bristol, Bristol; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre; Caphri Research Institute, Maastricht University, Maastricht, the Netherlands; Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, and Department of Family Medicine and Community Health, University of Pennsylvania; PolicyLab, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.; The Vasculitis Clinical Research Consortium (VCRC) Outcome Measures in Rheumatology Vasculitis Working Group was supported by the Vasculitis Clinical Research Consortium, which received support from the US National Institute of Arthritis and Musculoskeletal and Skin Diseases (grants U54-AR-057319 and U01-AR-51874 04), the National Center for Research Resources (grant U54-RR-019497), the National Center for Advancing Translational Science, and the Office of Rare Diseases Research, each part of the US National Institutes of Health (NIH). The VCRC is a member of the NIH Rare Diseases Clinical Research Network. The VCRC also received a Pilot award from the Patient-Centered Outcomes Research Institute. Dr. Milman's work was supported by a postgraduate Rheumatology Fellowship award given jointly by UCB Pharma, the Canadian Rheumatology Association, and The Arthritis Society, and a Fellowship from the Ottawa Hospital Department of Medicine. This work was further supported by a Vasculitis Foundation Research Grant.; N. Milman, MD, MSc, FRCPC, Assistant Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; E. McConville, MD, Resident, Department of Medicine, University of Ottawa; J.C. Robson, MBBS, PhD, MRCP, Consultant Senior Lecturer in Rheumatology, Faculty of Health and Applied Science, University of the West of England, and School of Clinical Science, University of Bristol; A. Boonen, MD, PhD, Professor, Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University; P. Tugwell, MD, FRCPC, Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa; G.A. Wells, PhD, Professor, School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute; D. Chaudhuri, MD, Resident, Department of Medicine, University of Ottawa; J. Dawson, MA, MSc, DPhil, Visiting Academic Researcher, Nuffield Department of Population Health (HSRU), University of Oxford; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, University Hospital, and Centre for Rheumatology Research, University Hospital; S. Ashdown, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; D. Gebhart, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; G. Lanier, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; J. Peck, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; C.A. McAlear, MA, Project Manager, Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, University of Pennsylvania; K.S. Kellom, BA, PolicyLab, Children's Hospital of Philadelphia; P.F. Cronholm, MD, MSCE, Associate Professor, Department of Family Medicine and Community Health, Perelman School of Medicine, University of Pennsylvania; P.A. Merkel, MD, MPH, Professor, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania.; Dawson J; From the Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute; School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Faculty of Health and Applied Science, University of the West of England; School of Clinical Science, University of Bristol, Bristol; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre; Caphri Research Institute, Maastricht University, Maastricht, the Netherlands; Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, and Department of Family Medicine and Community Health, University of Pennsylvania; PolicyLab, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.; The Vasculitis Clinical Research Consortium (VCRC) Outcome Measures in Rheumatology Vasculitis Working Group was supported by the Vasculitis Clinical Research Consortium, which received support from the US National Institute of Arthritis and Musculoskeletal and Skin Diseases (grants U54-AR-057319 and U01-AR-51874 04), the National Center for Research Resources (grant U54-RR-019497), the National Center for Advancing Translational Science, and the Office of Rare Diseases Research, each part of the US National Institutes of Health (NIH). The VCRC is a member of the NIH Rare Diseases Clinical Research Network. The VCRC also received a Pilot award from the Patient-Centered Outcomes Research Institute. Dr. Milman's work was supported by a postgraduate Rheumatology Fellowship award given jointly by UCB Pharma, the Canadian Rheumatology Association, and The Arthritis Society, and a Fellowship from the Ottawa Hospital Department of Medicine. This work was further supported by a Vasculitis Foundation Research Grant.; N. Milman, MD, MSc, FRCPC, Assistant Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; E. McConville, MD, Resident, Department of Medicine, University of Ottawa; J.C. Robson, MBBS, PhD, MRCP, Consultant Senior Lecturer in Rheumatology, Faculty of Health and Applied Science, University of the West of England, and School of Clinical Science, University of Bristol; A. Boonen, MD, PhD, Professor, Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University; P. Tugwell, MD, FRCPC, Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa; G.A. Wells, PhD, Professor, School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute; D. Chaudhuri, MD, Resident, Department of Medicine, University of Ottawa; J. Dawson, MA, MSc, DPhil, Visiting Academic Researcher, Nuffield Department of Population Health (HSRU), University of Oxford; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, University Hospital, and Centre for Rheumatology Research, University Hospital; S. Ashdown, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; D. Gebhart, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; G. Lanier, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; J. Peck, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; C.A. McAlear, MA, Project Manager, Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, University of Pennsylvania; K.S. Kellom, BA, PolicyLab, Children's Hospital of Philadelphia; P.F. Cronholm, MD, MSCE, Associate Professor, Department of Family Medicine and Community Health, Perelman School of Medicine, University of Pennsylvania; P.A. Merkel, MD, MPH, Professor, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania.; Tomasson G; From the Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute; School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Faculty of Health and Applied Science, University of the West of England; School of Clinical Science, University of Bristol, Bristol; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre; Caphri Research Institute, Maastricht University, Maastricht, the Netherlands; Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, and Department of Family Medicine and Community Health, University of Pennsylvania; PolicyLab, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.; The Vasculitis Clinical Research Consortium (VCRC) Outcome Measures in Rheumatology Vasculitis Working Group was supported by the Vasculitis Clinical Research Consortium, which received support from the US National Institute of Arthritis and Musculoskeletal and Skin Diseases (grants U54-AR-057319 and U01-AR-51874 04), the National Center for Research Resources (grant U54-RR-019497), the National Center for Advancing Translational Science, and the Office of Rare Diseases Research, each part of the US National Institutes of Health (NIH). The VCRC is a member of the NIH Rare Diseases Clinical Research Network. The VCRC also received a Pilot award from the Patient-Centered Outcomes Research Institute. Dr. Milman's work was supported by a postgraduate Rheumatology Fellowship award given jointly by UCB Pharma, the Canadian Rheumatology Association, and The Arthritis Society, and a Fellowship from the Ottawa Hospital Department of Medicine. This work was further supported by a Vasculitis Foundation Research Grant.; N. Milman, MD, MSc, FRCPC, Assistant Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; E. McConville, MD, Resident, Department of Medicine, University of Ottawa; J.C. Robson, MBBS, PhD, MRCP, Consultant Senior Lecturer in Rheumatology, Faculty of Health and Applied Science, University of the West of England, and School of Clinical Science, University of Bristol; A. Boonen, MD, PhD, Professor, Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University; P. Tugwell, MD, FRCPC, Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa; G.A. Wells, PhD, Professor, School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute; D. Chaudhuri, MD, Resident, Department of Medicine, University of Ottawa; J. Dawson, MA, MSc, DPhil, Visiting Academic Researcher, Nuffield Department of Population Health (HSRU), University of Oxford; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, University Hospital, and Centre for Rheumatology Research, University Hospital; S. Ashdown, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; D. Gebhart, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; G. Lanier, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; J. Peck, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; C.A. McAlear, MA, Project Manager, Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, University of Pennsylvania; K.S. Kellom, BA, PolicyLab, Children's Hospital of Philadelphia; P.F. Cronholm, MD, MSCE, Associate Professor, Department of Family Medicine and Community Health, Perelman School of Medicine, University of Pennsylvania; P.A. Merkel, MD, MPH, Professor, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania.; Ashdown S; From the Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute; School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Faculty of Health and Applied Science, University of the West of England; School of Clinical Science, University of Bristol, Bristol; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre; Caphri Research Institute, Maastricht University, Maastricht, the Netherlands; Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, and Department of Family Medicine and Community Health, University of Pennsylvania; PolicyLab, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.; The Vasculitis Clinical Research Consortium (VCRC) Outcome Measures in Rheumatology Vasculitis Working Group was supported by the Vasculitis Clinical Research Consortium, which received support from the US National Institute of Arthritis and Musculoskeletal and Skin Diseases (grants U54-AR-057319 and U01-AR-51874 04), the National Center for Research Resources (grant U54-RR-019497), the National Center for Advancing Translational Science, and the Office of Rare Diseases Research, each part of the US National Institutes of Health (NIH). The VCRC is a member of the NIH Rare Diseases Clinical Research Network. The VCRC also received a Pilot award from the Patient-Centered Outcomes Research Institute. Dr. Milman's work was supported by a postgraduate Rheumatology Fellowship award given jointly by UCB Pharma, the Canadian Rheumatology Association, and The Arthritis Society, and a Fellowship from the Ottawa Hospital Department of Medicine. This work was further supported by a Vasculitis Foundation Research Grant.; N. Milman, MD, MSc, FRCPC, Assistant Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; E. McConville, MD, Resident, Department of Medicine, University of Ottawa; J.C. Robson, MBBS, PhD, MRCP, Consultant Senior Lecturer in Rheumatology, Faculty of Health and Applied Science, University of the West of England, and School of Clinical Science, University of Bristol; A. Boonen, MD, PhD, Professor, Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University; P. Tugwell, MD, FRCPC, Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa; G.A. Wells, PhD, Professor, School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute; D. Chaudhuri, MD, Resident, Department of Medicine, University of Ottawa; J. Dawson, MA, MSc, DPhil, Visiting Academic Researcher, Nuffield Department of Population Health (HSRU), University of Oxford; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, University Hospital, and Centre for Rheumatology Research, University Hospital; S. Ashdown, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; D. Gebhart, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; G. Lanier, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; J. Peck, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; C.A. McAlear, MA, Project Manager, Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, University of Pennsylvania; K.S. Kellom, BA, PolicyLab, Children's Hospital of Philadelphia; P.F. Cronholm, MD, MSCE, Associate Professor, Department of Family Medicine and Community Health, Perelman School of Medicine, University of Pennsylvania; P.A. Merkel, MD, MPH, Professor, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania.; Gebhart D; From the Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute; School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Faculty of Health and Applied Science, University of the West of England; School of Clinical Science, University of Bristol, Bristol; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre; Caphri Research Institute, Maastricht University, Maastricht, the Netherlands; Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, and Department of Family Medicine and Community Health, University of Pennsylvania; PolicyLab, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.; The Vasculitis Clinical Research Consortium (VCRC) Outcome Measures in Rheumatology Vasculitis Working Group was supported by the Vasculitis Clinical Research Consortium, which received support from the US National Institute of Arthritis and Musculoskeletal and Skin Diseases (grants U54-AR-057319 and U01-AR-51874 04), the National Center for Research Resources (grant U54-RR-019497), the National Center for Advancing Translational Science, and the Office of Rare Diseases Research, each part of the US National Institutes of Health (NIH). The VCRC is a member of the NIH Rare Diseases Clinical Research Network. The VCRC also received a Pilot award from the Patient-Centered Outcomes Research Institute. Dr. Milman's work was supported by a postgraduate Rheumatology Fellowship award given jointly by UCB Pharma, the Canadian Rheumatology Association, and The Arthritis Society, and a Fellowship from the Ottawa Hospital Department of Medicine. This work was further supported by a Vasculitis Foundation Research Grant.; N. Milman, MD, MSc, FRCPC, Assistant Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; E. McConville, MD, Resident, Department of Medicine, University of Ottawa; J.C. Robson, MBBS, PhD, MRCP, Consultant Senior Lecturer in Rheumatology, Faculty of Health and Applied Science, University of the West of England, and School of Clinical Science, University of Bristol; A. Boonen, MD, PhD, Professor, Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University; P. Tugwell, MD, FRCPC, Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa; G.A. Wells, PhD, Professor, School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute; D. Chaudhuri, MD, Resident, Department of Medicine, University of Ottawa; J. Dawson, MA, MSc, DPhil, Visiting Academic Researcher, Nuffield Department of Population Health (HSRU), University of Oxford; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, University Hospital, and Centre for Rheumatology Research, University Hospital; S. Ashdown, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; D. Gebhart, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; G. Lanier, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; J. Peck, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; C.A. McAlear, MA, Project Manager, Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, University of Pennsylvania; K.S. Kellom, BA, PolicyLab, Children's Hospital of Philadelphia; P.F. Cronholm, MD, MSCE, Associate Professor, Department of Family Medicine and Community Health, Perelman School of Medicine, University of Pennsylvania; P.A. Merkel, MD, MPH, Professor, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania.; Lanier G; From the Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute; School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Faculty of Health and Applied Science, University of the West of England; School of Clinical Science, University of Bristol, Bristol; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre; Caphri Research Institute, Maastricht University, Maastricht, the Netherlands; Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, and Department of Family Medicine and Community Health, University of Pennsylvania; PolicyLab, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.; The Vasculitis Clinical Research Consortium (VCRC) Outcome Measures in Rheumatology Vasculitis Working Group was supported by the Vasculitis Clinical Research Consortium, which received support from the US National Institute of Arthritis and Musculoskeletal and Skin Diseases (grants U54-AR-057319 and U01-AR-51874 04), the National Center for Research Resources (grant U54-RR-019497), the National Center for Advancing Translational Science, and the Office of Rare Diseases Research, each part of the US National Institutes of Health (NIH). The VCRC is a member of the NIH Rare Diseases Clinical Research Network. The VCRC also received a Pilot award from the Patient-Centered Outcomes Research Institute. Dr. Milman's work was supported by a postgraduate Rheumatology Fellowship award given jointly by UCB Pharma, the Canadian Rheumatology Association, and The Arthritis Society, and a Fellowship from the Ottawa Hospital Department of Medicine. This work was further supported by a Vasculitis Foundation Research Grant.; N. Milman, MD, MSc, FRCPC, Assistant Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; E. McConville, MD, Resident, Department of Medicine, University of Ottawa; J.C. Robson, MBBS, PhD, MRCP, Consultant Senior Lecturer in Rheumatology, Faculty of Health and Applied Science, University of the West of England, and School of Clinical Science, University of Bristol; A. Boonen, MD, PhD, Professor, Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University; P. Tugwell, MD, FRCPC, Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa; G.A. Wells, PhD, Professor, School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute; D. Chaudhuri, MD, Resident, Department of Medicine, University of Ottawa; J. Dawson, MA, MSc, DPhil, Visiting Academic Researcher, Nuffield Department of Population Health (HSRU), University of Oxford; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, University Hospital, and Centre for Rheumatology Research, University Hospital; S. Ashdown, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; D. Gebhart, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; G. Lanier, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; J. Peck, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; C.A. McAlear, MA, Project Manager, Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, University of Pennsylvania; K.S. Kellom, BA, PolicyLab, Children's Hospital of Philadelphia; P.F. Cronholm, MD, MSCE, Associate Professor, Department of Family Medicine and Community Health, Perelman School of Medicine, University of Pennsylvania; P.A. Merkel, MD, MPH, Professor, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania.; Peck J; From the Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute; School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Faculty of Health and Applied Science, University of the West of England; School of Clinical Science, University of Bristol, Bristol; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre; Caphri Research Institute, Maastricht University, Maastricht, the Netherlands; Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, and Department of Family Medicine and Community Health, University of Pennsylvania; PolicyLab, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.; The Vasculitis Clinical Research Consortium (VCRC) Outcome Measures in Rheumatology Vasculitis Working Group was supported by the Vasculitis Clinical Research Consortium, which received support from the US National Institute of Arthritis and Musculoskeletal and Skin Diseases (grants U54-AR-057319 and U01-AR-51874 04), the National Center for Research Resources (grant U54-RR-019497), the National Center for Advancing Translational Science, and the Office of Rare Diseases Research, each part of the US National Institutes of Health (NIH). The VCRC is a member of the NIH Rare Diseases Clinical Research Network. The VCRC also received a Pilot award from the Patient-Centered Outcomes Research Institute. Dr. Milman's work was supported by a postgraduate Rheumatology Fellowship award given jointly by UCB Pharma, the Canadian Rheumatology Association, and The Arthritis Society, and a Fellowship from the Ottawa Hospital Department of Medicine. This work was further supported by a Vasculitis Foundation Research Grant.; N. Milman, MD, MSc, FRCPC, Assistant Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; E. McConville, MD, Resident, Department of Medicine, University of Ottawa; J.C. Robson, MBBS, PhD, MRCP, Consultant Senior Lecturer in Rheumatology, Faculty of Health and Applied Science, University of the West of England, and School of Clinical Science, University of Bristol; A. Boonen, MD, PhD, Professor, Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University; P. Tugwell, MD, FRCPC, Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa; G.A. Wells, PhD, Professor, School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute; D. Chaudhuri, MD, Resident, Department of Medicine, University of Ottawa; J. Dawson, MA, MSc, DPhil, Visiting Academic Researcher, Nuffield Department of Population Health (HSRU), University of Oxford; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, University Hospital, and Centre for Rheumatology Research, University Hospital; S. Ashdown, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; D. Gebhart, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; G. Lanier, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; J. Peck, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; C.A. McAlear, MA, Project Manager, Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, University of Pennsylvania; K.S. Kellom, BA, PolicyLab, Children's Hospital of Philadelphia; P.F. Cronholm, MD, MSCE, Associate Professor, Department of Family Medicine and Community Health, Perelman School of Medicine, University of Pennsylvania; P.A. Merkel, MD, MPH, Professor, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania.; McAlear CA; From the Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute; School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Faculty of Health and Applied Science, University of the West of England; School of Clinical Science, University of Bristol, Bristol; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre; Caphri Research Institute, Maastricht University, Maastricht, the Netherlands; Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, and Department of Family Medicine and Community Health, University of Pennsylvania; PolicyLab, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.; The Vasculitis Clinical Research Consortium (VCRC) Outcome Measures in Rheumatology Vasculitis Working Group was supported by the Vasculitis Clinical Research Consortium, which received support from the US National Institute of Arthritis and Musculoskeletal and Skin Diseases (grants U54-AR-057319 and U01-AR-51874 04), the National Center for Research Resources (grant U54-RR-019497), the National Center for Advancing Translational Science, and the Office of Rare Diseases Research, each part of the US National Institutes of Health (NIH). The VCRC is a member of the NIH Rare Diseases Clinical Research Network. The VCRC also received a Pilot award from the Patient-Centered Outcomes Research Institute. Dr. Milman's work was supported by a postgraduate Rheumatology Fellowship award given jointly by UCB Pharma, the Canadian Rheumatology Association, and The Arthritis Society, and a Fellowship from the Ottawa Hospital Department of Medicine. This work was further supported by a Vasculitis Foundation Research Grant.; N. Milman, MD, MSc, FRCPC, Assistant Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; E. McConville, MD, Resident, Department of Medicine, University of Ottawa; J.C. Robson, MBBS, PhD, MRCP, Consultant Senior Lecturer in Rheumatology, Faculty of Health and Applied Science, University of the West of England, and School of Clinical Science, University of Bristol; A. Boonen, MD, PhD, Professor, Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University; P. Tugwell, MD, FRCPC, Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa; G.A. Wells, PhD, Professor, School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute; D. Chaudhuri, MD, Resident, Department of Medicine, University of Ottawa; J. Dawson, MA, MSc, DPhil, Visiting Academic Researcher, Nuffield Department of Population Health (HSRU), University of Oxford; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, University Hospital, and Centre for Rheumatology Research, University Hospital; S. Ashdown, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; D. Gebhart, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; G. Lanier, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; J. Peck, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; C.A. McAlear, MA, Project Manager, Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, University of Pennsylvania; K.S. Kellom, BA, PolicyLab, Children's Hospital of Philadelphia; P.F. Cronholm, MD, MSCE, Associate Professor, Department of Family Medicine and Community Health, Perelman School of Medicine, University of Pennsylvania; P.A. Merkel, MD, MPH, Professor, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania.; Kellom KS; From the Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute; School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Faculty of Health and Applied Science, University of the West of England; School of Clinical Science, University of Bristol, Bristol; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre; Caphri Research Institute, Maastricht University, Maastricht, the Netherlands; Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, and Department of Family Medicine and Community Health, University of Pennsylvania; PolicyLab, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.; The Vasculitis Clinical Research Consortium (VCRC) Outcome Measures in Rheumatology Vasculitis Working Group was supported by the Vasculitis Clinical Research Consortium, which received support from the US National Institute of Arthritis and Musculoskeletal and Skin Diseases (grants U54-AR-057319 and U01-AR-51874 04), the National Center for Research Resources (grant U54-RR-019497), the National Center for Advancing Translational Science, and the Office of Rare Diseases Research, each part of the US National Institutes of Health (NIH). The VCRC is a member of the NIH Rare Diseases Clinical Research Network. The VCRC also received a Pilot award from the Patient-Centered Outcomes Research Institute. Dr. Milman's work was supported by a postgraduate Rheumatology Fellowship award given jointly by UCB Pharma, the Canadian Rheumatology Association, and The Arthritis Society, and a Fellowship from the Ottawa Hospital Department of Medicine. This work was further supported by a Vasculitis Foundation Research Grant.; N. Milman, MD, MSc, FRCPC, Assistant Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; E. McConville, MD, Resident, Department of Medicine, University of Ottawa; J.C. Robson, MBBS, PhD, MRCP, Consultant Senior Lecturer in Rheumatology, Faculty of Health and Applied Science, University of the West of England, and School of Clinical Science, University of Bristol; A. Boonen, MD, PhD, Professor, Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University; P. Tugwell, MD, FRCPC, Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa; G.A. Wells, PhD, Professor, School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute; D. Chaudhuri, MD, Resident, Department of Medicine, University of Ottawa; J. Dawson, MA, MSc, DPhil, Visiting Academic Researcher, Nuffield Department of Population Health (HSRU), University of Oxford; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, University Hospital, and Centre for Rheumatology Research, University Hospital; S. Ashdown, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; D. Gebhart, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; G. Lanier, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; J. Peck, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; C.A. McAlear, MA, Project Manager, Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, University of Pennsylvania; K.S. Kellom, BA, PolicyLab, Children's Hospital of Philadelphia; P.F. Cronholm, MD, MSCE, Associate Professor, Department of Family Medicine and Community Health, Perelman School of Medicine, University of Pennsylvania; P.A. Merkel, MD, MPH, Professor, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania.; Cronholm PF; From the Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute; School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Faculty of Health and Applied Science, University of the West of England; School of Clinical Science, University of Bristol, Bristol; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre; Caphri Research Institute, Maastricht University, Maastricht, the Netherlands; Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, and Department of Family Medicine and Community Health, University of Pennsylvania; PolicyLab, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.; The Vasculitis Clinical Research Consortium (VCRC) Outcome Measures in Rheumatology Vasculitis Working Group was supported by the Vasculitis Clinical Research Consortium, which received support from the US National Institute of Arthritis and Musculoskeletal and Skin Diseases (grants U54-AR-057319 and U01-AR-51874 04), the National Center for Research Resources (grant U54-RR-019497), the National Center for Advancing Translational Science, and the Office of Rare Diseases Research, each part of the US National Institutes of Health (NIH). The VCRC is a member of the NIH Rare Diseases Clinical Research Network. The VCRC also received a Pilot award from the Patient-Centered Outcomes Research Institute. Dr. Milman's work was supported by a postgraduate Rheumatology Fellowship award given jointly by UCB Pharma, the Canadian Rheumatology Association, and The Arthritis Society, and a Fellowship from the Ottawa Hospital Department of Medicine. This work was further supported by a Vasculitis Foundation Research Grant.; N. Milman, MD, MSc, FRCPC, Assistant Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; E. McConville, MD, Resident, Department of Medicine, University of Ottawa; J.C. Robson, MBBS, PhD, MRCP, Consultant Senior Lecturer in Rheumatology, Faculty of Health and Applied Science, University of the West of England, and School of Clinical Science, University of Bristol; A. Boonen, MD, PhD, Professor, Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University; P. Tugwell, MD, FRCPC, Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa; G.A. Wells, PhD, Professor, School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute; D. Chaudhuri, MD, Resident, Department of Medicine, University of Ottawa; J. Dawson, MA, MSc, DPhil, Visiting Academic Researcher, Nuffield Department of Population Health (HSRU), University of Oxford; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, University Hospital, and Centre for Rheumatology Research, University Hospital; S. Ashdown, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; D. Gebhart, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; G. Lanier, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; J. Peck, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; C.A. McAlear, MA, Project Manager, Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, University of Pennsylvania; K.S. Kellom, BA, PolicyLab, Children's Hospital of Philadelphia; P.F. Cronholm, MD, MSCE, Associate Professor, Department of Family Medicine and Community Health, Perelman School of Medicine, University of Pennsylvania; P.A. Merkel, MD, MPH, Professor, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania.; Merkel PA; From the Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute; School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Faculty of Health and Applied Science, University of the West of England; School of Clinical Science, University of Bristol, Bristol; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre; Caphri Research Institute, Maastricht University, Maastricht, the Netherlands; Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, and Department of Family Medicine and Community Health, University of Pennsylvania; PolicyLab, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.; The Vasculitis Clinical Research Consortium (VCRC) Outcome Measures in Rheumatology Vasculitis Working Group was supported by the Vasculitis Clinical Research Consortium, which received support from the US National Institute of Arthritis and Musculoskeletal and Skin Diseases (grants U54-AR-057319 and U01-AR-51874 04), the National Center for Research Resources (grant U54-RR-019497), the National Center for Advancing Translational Science, and the Office of Rare Diseases Research, each part of the US National Institutes of Health (NIH). The VCRC is a member of the NIH Rare Diseases Clinical Research Network. The VCRC also received a Pilot award from the Patient-Centered Outcomes Research Institute. Dr. Milman's work was supported by a postgraduate Rheumatology Fellowship award given jointly by UCB Pharma, the Canadian Rheumatology Association, and The Arthritis Society, and a Fellowship from the Ottawa Hospital Department of Medicine. This work was further supported by a Vasculitis Foundation Research Grant.; N. Milman, MD, MSc, FRCPC, Assistant Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; E. McConville, MD, Resident, Department of Medicine, University of Ottawa; J.C. Robson, MBBS, PhD, MRCP, Consultant Senior Lecturer in Rheumatology, Faculty of Health and Applied Science, University of the West of England, and School of Clinical Science, University of Bristol; A. Boonen, MD, PhD, Professor, Department of Medicine, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University; P. Tugwell, MD, FRCPC, Professor, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa; G.A. Wells, PhD, Professor, School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa Heart Institute; D. Chaudhuri, MD, Resident, Department of Medicine, University of Ottawa; J. Dawson, MA, MSc, DPhil, Visiting Academic Researcher, Nuffield Department of Population Health (HSRU), University of Oxford; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, University Hospital, and Centre for Rheumatology Research, University Hospital; S. Ashdown, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; D. Gebhart, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; G. Lanier, Patient Partner, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; J. Peck, Patient Partner, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; C.A. McAlear, MA, Project Manager, Vasculitis Clinical Research Consortium, and Division of Rheumatology, Department of Medicine, University of Pennsylvania; K.S. Kellom, BA, PolicyLab, Children's Hospital of Philadelphia; P.F. Cronholm, MD, MSCE, Associate Professor, Department of Family Medicine and Community Health, Perelman School of Medicine, University of Pennsylvania; P.A. Merkel, MD, MPH, Professor, Division of Rheumatology, Department of Medicine, and Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania.

Publisher: Journal Of Rheumatology Publishing Co Country of Publication: Canada NLM ID: 7501984 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 0315-162X (Print) Linking ISSN: 0315162X NLM ISO Abbreviation: J Rheumatol Subsets: MEDLINE

Tomasson G; From the Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Department of Biostatistics, Epidemiology, and Informatics, and Division of Rheumatology, and Department of Family Medicine and Community Health, and Division of General Internal Medicine, University of Pennsylvania, Philadelphia; Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, University of Utah, Salt Lake City, Utah; Department of Rheumatology, Cleveland Clinic, Cleveland; Ohio State University Wexner Medical Center, Columbus, Ohio; Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts; Division of Rheumatology, and Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford; Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol, Bristol, UK; Department of Rheumatology, University of Ottawa, Ottawa; Division of Rheumatology, Mount Sinai Hospital, Toronto; Division of Rheumatology, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada. gunnar.tomasson@gmail.com.; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, and Centre for Rheumatology Research, University Hospital; J.T. Farrar, MD, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Cuthbertson, MS, Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; S. Ashdown, RN, Oxfordshire; P.F. Cronholm, MD, MSCE, Department of Family Medicine and Community Health, University of Pennsylvania; J. Dawson, MA, MSc, DPhil, SRN, SCM, Nuffield Department of Population Health (HSRU), University of Oxford; D. Gebhart, MD, Ohio State University Wexner Medical Center, Columbus; G. Lanier, Patient Research Partner, Boston; R.A. Luqmani, DM, FRCP, FRCP(E), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; N. Milman, MD, MSc, FRCPC, Department of Rheumatology, University of Ottawa; J. Peck, RN, Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol; J.A. Shea, PhD, Division of General Internal Medicine, University of Pennsylvania; S. Carette, MD, Division of Rheumatology, Mount Sinai Hospital; N. Khalidi, MD, Division of Rheumatology, St. Joseph's Healthcare, McMaster University; C.L. Koening, MD, Division of Rheumatology, University of Utah; C.A. Langford, MD, Department of Rheumatology, Cleveland Clinic; P.A. Monach, MD, PhD, Section of Rheumatology, Boston University School of Medicine; L. Moreland, MD, Division of Rheumatology, University of Pittsburgh; C. Pagnoux, MD, MSc, MPH, Division of Rheumatology, Mount Sinai Hospital; U. Specks, MD, Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science; A.G. Sreih, MD, Division of Rheumatology, University of Pennsylvania; S.R. Ytterberg, MD, Division of Rheumatology, Mayo Clinic College of Medicine and Science; P.A. Merkel, MD, MPH, Division of Rheumatology, University of Pennsylvania. gunnar.tomasson@gmail.com.; Farrar JT; From the Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Department of Biostatistics, Epidemiology, and Informatics, and Division of Rheumatology, and Department of Family Medicine and Community Health, and Division of General Internal Medicine, University of Pennsylvania, Philadelphia; Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, University of Utah, Salt Lake City, Utah; Department of Rheumatology, Cleveland Clinic, Cleveland; Ohio State University Wexner Medical Center, Columbus, Ohio; Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts; Division of Rheumatology, and Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford; Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol, Bristol, UK; Department of Rheumatology, University of Ottawa, Ottawa; Division of Rheumatology, Mount Sinai Hospital, Toronto; Division of Rheumatology, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada.; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, and Centre for Rheumatology Research, University Hospital; J.T. Farrar, MD, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Cuthbertson, MS, Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; S. Ashdown, RN, Oxfordshire; P.F. Cronholm, MD, MSCE, Department of Family Medicine and Community Health, University of Pennsylvania; J. Dawson, MA, MSc, DPhil, SRN, SCM, Nuffield Department of Population Health (HSRU), University of Oxford; D. Gebhart, MD, Ohio State University Wexner Medical Center, Columbus; G. Lanier, Patient Research Partner, Boston; R.A. Luqmani, DM, FRCP, FRCP(E), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; N. Milman, MD, MSc, FRCPC, Department of Rheumatology, University of Ottawa; J. Peck, RN, Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol; J.A. Shea, PhD, Division of General Internal Medicine, University of Pennsylvania; S. Carette, MD, Division of Rheumatology, Mount Sinai Hospital; N. Khalidi, MD, Division of Rheumatology, St. Joseph's Healthcare, McMaster University; C.L. Koening, MD, Division of Rheumatology, University of Utah; C.A. Langford, MD, Department of Rheumatology, Cleveland Clinic; P.A. Monach, MD, PhD, Section of Rheumatology, Boston University School of Medicine; L. Moreland, MD, Division of Rheumatology, University of Pittsburgh; C. Pagnoux, MD, MSc, MPH, Division of Rheumatology, Mount Sinai Hospital; U. Specks, MD, Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science; A.G. Sreih, MD, Division of Rheumatology, University of Pennsylvania; S.R. Ytterberg, MD, Division of Rheumatology, Mayo Clinic College of Medicine and Science; P.A. Merkel, MD, MPH, Division of Rheumatology, University of Pennsylvania.; Cuthbertson D; From the Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Department of Biostatistics, Epidemiology, and Informatics, and Division of Rheumatology, and Department of Family Medicine and Community Health, and Division of General Internal Medicine, University of Pennsylvania, Philadelphia; Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, University of Utah, Salt Lake City, Utah; Department of Rheumatology, Cleveland Clinic, Cleveland; Ohio State University Wexner Medical Center, Columbus, Ohio; Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts; Division of Rheumatology, and Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford; Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol, Bristol, UK; Department of Rheumatology, University of Ottawa, Ottawa; Division of Rheumatology, Mount Sinai Hospital, Toronto; Division of Rheumatology, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada.; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, and Centre for Rheumatology Research, University Hospital; J.T. Farrar, MD, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Cuthbertson, MS, Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; S. Ashdown, RN, Oxfordshire; P.F. Cronholm, MD, MSCE, Department of Family Medicine and Community Health, University of Pennsylvania; J. Dawson, MA, MSc, DPhil, SRN, SCM, Nuffield Department of Population Health (HSRU), University of Oxford; D. Gebhart, MD, Ohio State University Wexner Medical Center, Columbus; G. Lanier, Patient Research Partner, Boston; R.A. Luqmani, DM, FRCP, FRCP(E), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; N. Milman, MD, MSc, FRCPC, Department of Rheumatology, University of Ottawa; J. Peck, RN, Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol; J.A. Shea, PhD, Division of General Internal Medicine, University of Pennsylvania; S. Carette, MD, Division of Rheumatology, Mount Sinai Hospital; N. Khalidi, MD, Division of Rheumatology, St. Joseph's Healthcare, McMaster University; C.L. Koening, MD, Division of Rheumatology, University of Utah; C.A. Langford, MD, Department of Rheumatology, Cleveland Clinic; P.A. Monach, MD, PhD, Section of Rheumatology, Boston University School of Medicine; L. Moreland, MD, Division of Rheumatology, University of Pittsburgh; C. Pagnoux, MD, MSc, MPH, Division of Rheumatology, Mount Sinai Hospital; U. Specks, MD, Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science; A.G. Sreih, MD, Division of Rheumatology, University of Pennsylvania; S.R. Ytterberg, MD, Division of Rheumatology, Mayo Clinic College of Medicine and Science; P.A. Merkel, MD, MPH, Division of Rheumatology, University of Pennsylvania.; McAlear CA; From the Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Department of Biostatistics, Epidemiology, and Informatics, and Division of Rheumatology, and Department of Family Medicine and Community Health, and Division of General Internal Medicine, University of Pennsylvania, Philadelphia; Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, University of Utah, Salt Lake City, Utah; Department of Rheumatology, Cleveland Clinic, Cleveland; Ohio State University Wexner Medical Center, Columbus, Ohio; Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts; Division of Rheumatology, and Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford; Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol, Bristol, UK; Department of Rheumatology, University of Ottawa, Ottawa; Division of Rheumatology, Mount Sinai Hospital, Toronto; Division of Rheumatology, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada.; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, and Centre for Rheumatology Research, University Hospital; J.T. Farrar, MD, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Cuthbertson, MS, Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; S. Ashdown, RN, Oxfordshire; P.F. Cronholm, MD, MSCE, Department of Family Medicine and Community Health, University of Pennsylvania; J. Dawson, MA, MSc, DPhil, SRN, SCM, Nuffield Department of Population Health (HSRU), University of Oxford; D. Gebhart, MD, Ohio State University Wexner Medical Center, Columbus; G. Lanier, Patient Research Partner, Boston; R.A. Luqmani, DM, FRCP, FRCP(E), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; N. Milman, MD, MSc, FRCPC, Department of Rheumatology, University of Ottawa; J. Peck, RN, Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol; J.A. Shea, PhD, Division of General Internal Medicine, University of Pennsylvania; S. Carette, MD, Division of Rheumatology, Mount Sinai Hospital; N. Khalidi, MD, Division of Rheumatology, St. Joseph's Healthcare, McMaster University; C.L. Koening, MD, Division of Rheumatology, University of Utah; C.A. Langford, MD, Department of Rheumatology, Cleveland Clinic; P.A. Monach, MD, PhD, Section of Rheumatology, Boston University School of Medicine; L. Moreland, MD, Division of Rheumatology, University of Pittsburgh; C. Pagnoux, MD, MSc, MPH, Division of Rheumatology, Mount Sinai Hospital; U. Specks, MD, Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science; A.G. Sreih, MD, Division of Rheumatology, University of Pennsylvania; S.R. Ytterberg, MD, Division of Rheumatology, Mayo Clinic College of Medicine and Science; P.A. Merkel, MD, MPH, Division of Rheumatology, University of Pennsylvania.; Ashdown S; From the Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Department of Biostatistics, Epidemiology, and Informatics, and Division of Rheumatology, and Department of Family Medicine and Community Health, and Division of General Internal Medicine, University of Pennsylvania, Philadelphia; Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, University of Utah, Salt Lake City, Utah; Department of Rheumatology, Cleveland Clinic, Cleveland; Ohio State University Wexner Medical Center, Columbus, Ohio; Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts; Division of Rheumatology, and Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford; Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol, Bristol, UK; Department of Rheumatology, University of Ottawa, Ottawa; Division of Rheumatology, Mount Sinai Hospital, Toronto; Division of Rheumatology, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada.; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, and Centre for Rheumatology Research, University Hospital; J.T. Farrar, MD, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Cuthbertson, MS, Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; S. Ashdown, RN, Oxfordshire; P.F. Cronholm, MD, MSCE, Department of Family Medicine and Community Health, University of Pennsylvania; J. Dawson, MA, MSc, DPhil, SRN, SCM, Nuffield Department of Population Health (HSRU), University of Oxford; D. Gebhart, MD, Ohio State University Wexner Medical Center, Columbus; G. Lanier, Patient Research Partner, Boston; R.A. Luqmani, DM, FRCP, FRCP(E), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; N. Milman, MD, MSc, FRCPC, Department of Rheumatology, University of Ottawa; J. Peck, RN, Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol; J.A. Shea, PhD, Division of General Internal Medicine, University of Pennsylvania; S. Carette, MD, Division of Rheumatology, Mount Sinai Hospital; N. Khalidi, MD, Division of Rheumatology, St. Joseph's Healthcare, McMaster University; C.L. Koening, MD, Division of Rheumatology, University of Utah; C.A. Langford, MD, Department of Rheumatology, Cleveland Clinic; P.A. Monach, MD, PhD, Section of Rheumatology, Boston University School of Medicine; L. Moreland, MD, Division of Rheumatology, University of Pittsburgh; C. Pagnoux, MD, MSc, MPH, Division of Rheumatology, Mount Sinai Hospital; U. Specks, MD, Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science; A.G. Sreih, MD, Division of Rheumatology, University of Pennsylvania; S.R. Ytterberg, MD, Division of Rheumatology, Mayo Clinic College of Medicine and Science; P.A. Merkel, MD, MPH, Division of Rheumatology, University of Pennsylvania.; Cronholm PF; From the Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Department of Biostatistics, Epidemiology, and Informatics, and Division of Rheumatology, and Department of Family Medicine and Community Health, and Division of General Internal Medicine, University of Pennsylvania, Philadelphia; Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, University of Utah, Salt Lake City, Utah; Department of Rheumatology, Cleveland Clinic, Cleveland; Ohio State University Wexner Medical Center, Columbus, Ohio; Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts; Division of Rheumatology, and Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford; Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol, Bristol, UK; Department of Rheumatology, University of Ottawa, Ottawa; Division of Rheumatology, Mount Sinai Hospital, Toronto; Division of Rheumatology, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada.; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, and Centre for Rheumatology Research, University Hospital; J.T. Farrar, MD, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Cuthbertson, MS, Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; S. Ashdown, RN, Oxfordshire; P.F. Cronholm, MD, MSCE, Department of Family Medicine and Community Health, University of Pennsylvania; J. Dawson, MA, MSc, DPhil, SRN, SCM, Nuffield Department of Population Health (HSRU), University of Oxford; D. Gebhart, MD, Ohio State University Wexner Medical Center, Columbus; G. Lanier, Patient Research Partner, Boston; R.A. Luqmani, DM, FRCP, FRCP(E), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; N. Milman, MD, MSc, FRCPC, Department of Rheumatology, University of Ottawa; J. Peck, RN, Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol; J.A. Shea, PhD, Division of General Internal Medicine, University of Pennsylvania; S. Carette, MD, Division of Rheumatology, Mount Sinai Hospital; N. Khalidi, MD, Division of Rheumatology, St. Joseph's Healthcare, McMaster University; C.L. Koening, MD, Division of Rheumatology, University of Utah; C.A. Langford, MD, Department of Rheumatology, Cleveland Clinic; P.A. Monach, MD, PhD, Section of Rheumatology, Boston University School of Medicine; L. Moreland, MD, Division of Rheumatology, University of Pittsburgh; C. Pagnoux, MD, MSc, MPH, Division of Rheumatology, Mount Sinai Hospital; U. Specks, MD, Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science; A.G. Sreih, MD, Division of Rheumatology, University of Pennsylvania; S.R. Ytterberg, MD, Division of Rheumatology, Mayo Clinic College of Medicine and Science; P.A. Merkel, MD, MPH, Division of Rheumatology, University of Pennsylvania.; Dawson J; From the Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Department of Biostatistics, Epidemiology, and Informatics, and Division of Rheumatology, and Department of Family Medicine and Community Health, and Division of General Internal Medicine, University of Pennsylvania, Philadelphia; Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, University of Utah, Salt Lake City, Utah; Department of Rheumatology, Cleveland Clinic, Cleveland; Ohio State University Wexner Medical Center, Columbus, Ohio; Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts; Division of Rheumatology, and Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford; Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol, Bristol, UK; Department of Rheumatology, University of Ottawa, Ottawa; Division of Rheumatology, Mount Sinai Hospital, Toronto; Division of Rheumatology, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada.; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, and Centre for Rheumatology Research, University Hospital; J.T. Farrar, MD, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Cuthbertson, MS, Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; S. Ashdown, RN, Oxfordshire; P.F. Cronholm, MD, MSCE, Department of Family Medicine and Community Health, University of Pennsylvania; J. Dawson, MA, MSc, DPhil, SRN, SCM, Nuffield Department of Population Health (HSRU), University of Oxford; D. Gebhart, MD, Ohio State University Wexner Medical Center, Columbus; G. Lanier, Patient Research Partner, Boston; R.A. Luqmani, DM, FRCP, FRCP(E), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; N. Milman, MD, MSc, FRCPC, Department of Rheumatology, University of Ottawa; J. Peck, RN, Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol; J.A. Shea, PhD, Division of General Internal Medicine, University of Pennsylvania; S. Carette, MD, Division of Rheumatology, Mount Sinai Hospital; N. Khalidi, MD, Division of Rheumatology, St. Joseph's Healthcare, McMaster University; C.L. Koening, MD, Division of Rheumatology, University of Utah; C.A. Langford, MD, Department of Rheumatology, Cleveland Clinic; P.A. Monach, MD, PhD, Section of Rheumatology, Boston University School of Medicine; L. Moreland, MD, Division of Rheumatology, University of Pittsburgh; C. Pagnoux, MD, MSc, MPH, Division of Rheumatology, Mount Sinai Hospital; U. Specks, MD, Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science; A.G. Sreih, MD, Division of Rheumatology, University of Pennsylvania; S.R. Ytterberg, MD, Division of Rheumatology, Mayo Clinic College of Medicine and Science; P.A. Merkel, MD, MPH, Division of Rheumatology, University of Pennsylvania.; Gebhart D; From the Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Department of Biostatistics, Epidemiology, and Informatics, and Division of Rheumatology, and Department of Family Medicine and Community Health, and Division of General Internal Medicine, University of Pennsylvania, Philadelphia; Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, University of Utah, Salt Lake City, Utah; Department of Rheumatology, Cleveland Clinic, Cleveland; Ohio State University Wexner Medical Center, Columbus, Ohio; Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts; Division of Rheumatology, and Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford; Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol, Bristol, UK; Department of Rheumatology, University of Ottawa, Ottawa; Division of Rheumatology, Mount Sinai Hospital, Toronto; Division of Rheumatology, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada.; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, and Centre for Rheumatology Research, University Hospital; J.T. Farrar, MD, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Cuthbertson, MS, Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; S. Ashdown, RN, Oxfordshire; P.F. Cronholm, MD, MSCE, Department of Family Medicine and Community Health, University of Pennsylvania; J. Dawson, MA, MSc, DPhil, SRN, SCM, Nuffield Department of Population Health (HSRU), University of Oxford; D. Gebhart, MD, Ohio State University Wexner Medical Center, Columbus; G. Lanier, Patient Research Partner, Boston; R.A. Luqmani, DM, FRCP, FRCP(E), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; N. Milman, MD, MSc, FRCPC, Department of Rheumatology, University of Ottawa; J. Peck, RN, Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol; J.A. Shea, PhD, Division of General Internal Medicine, University of Pennsylvania; S. Carette, MD, Division of Rheumatology, Mount Sinai Hospital; N. Khalidi, MD, Division of Rheumatology, St. Joseph's Healthcare, McMaster University; C.L. Koening, MD, Division of Rheumatology, University of Utah; C.A. Langford, MD, Department of Rheumatology, Cleveland Clinic; P.A. Monach, MD, PhD, Section of Rheumatology, Boston University School of Medicine; L. Moreland, MD, Division of Rheumatology, University of Pittsburgh; C. Pagnoux, MD, MSc, MPH, Division of Rheumatology, Mount Sinai Hospital; U. Specks, MD, Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science; A.G. Sreih, MD, Division of Rheumatology, University of Pennsylvania; S.R. Ytterberg, MD, Division of Rheumatology, Mayo Clinic College of Medicine and Science; P.A. Merkel, MD, MPH, Division of Rheumatology, University of Pennsylvania.; Lanier G; From the Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Department of Biostatistics, Epidemiology, and Informatics, and Division of Rheumatology, and Department of Family Medicine and Community Health, and Division of General Internal Medicine, University of Pennsylvania, Philadelphia; Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, University of Utah, Salt Lake City, Utah; Department of Rheumatology, Cleveland Clinic, Cleveland; Ohio State University Wexner Medical Center, Columbus, Ohio; Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts; Division of Rheumatology, and Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford; Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol, Bristol, UK; Department of Rheumatology, University of Ottawa, Ottawa; Division of Rheumatology, Mount Sinai Hospital, Toronto; Division of Rheumatology, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada.; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, and Centre for Rheumatology Research, University Hospital; J.T. Farrar, MD, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Cuthbertson, MS, Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; S. Ashdown, RN, Oxfordshire; P.F. Cronholm, MD, MSCE, Department of Family Medicine and Community Health, University of Pennsylvania; J. Dawson, MA, MSc, DPhil, SRN, SCM, Nuffield Department of Population Health (HSRU), University of Oxford; D. Gebhart, MD, Ohio State University Wexner Medical Center, Columbus; G. Lanier, Patient Research Partner, Boston; R.A. Luqmani, DM, FRCP, FRCP(E), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; N. Milman, MD, MSc, FRCPC, Department of Rheumatology, University of Ottawa; J. Peck, RN, Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol; J.A. Shea, PhD, Division of General Internal Medicine, University of Pennsylvania; S. Carette, MD, Division of Rheumatology, Mount Sinai Hospital; N. Khalidi, MD, Division of Rheumatology, St. Joseph's Healthcare, McMaster University; C.L. Koening, MD, Division of Rheumatology, University of Utah; C.A. Langford, MD, Department of Rheumatology, Cleveland Clinic; P.A. Monach, MD, PhD, Section of Rheumatology, Boston University School of Medicine; L. Moreland, MD, Division of Rheumatology, University of Pittsburgh; C. Pagnoux, MD, MSc, MPH, Division of Rheumatology, Mount Sinai Hospital; U. Specks, MD, Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science; A.G. Sreih, MD, Division of Rheumatology, University of Pennsylvania; S.R. Ytterberg, MD, Division of Rheumatology, Mayo Clinic College of Medicine and Science; P.A. Merkel, MD, MPH, Division of Rheumatology, University of Pennsylvania.; Luqmani RA; From the Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Department of Biostatistics, Epidemiology, and Informatics, and Division of Rheumatology, and Department of Family Medicine and Community Health, and Division of General Internal Medicine, University of Pennsylvania, Philadelphia; Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, University of Utah, Salt Lake City, Utah; Department of Rheumatology, Cleveland Clinic, Cleveland; Ohio State University Wexner Medical Center, Columbus, Ohio; Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts; Division of Rheumatology, and Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford; Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol, Bristol, UK; Department of Rheumatology, University of Ottawa, Ottawa; Division of Rheumatology, Mount Sinai Hospital, Toronto; Division of Rheumatology, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada.; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, and Centre for Rheumatology Research, University Hospital; J.T. Farrar, MD, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Cuthbertson, MS, Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; S. Ashdown, RN, Oxfordshire; P.F. Cronholm, MD, MSCE, Department of Family Medicine and Community Health, University of Pennsylvania; J. Dawson, MA, MSc, DPhil, SRN, SCM, Nuffield Department of Population Health (HSRU), University of Oxford; D. Gebhart, MD, Ohio State University Wexner Medical Center, Columbus; G. Lanier, Patient Research Partner, Boston; R.A. Luqmani, DM, FRCP, FRCP(E), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; N. Milman, MD, MSc, FRCPC, Department of Rheumatology, University of Ottawa; J. Peck, RN, Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol; J.A. Shea, PhD, Division of General Internal Medicine, University of Pennsylvania; S. Carette, MD, Division of Rheumatology, Mount Sinai Hospital; N. Khalidi, MD, Division of Rheumatology, St. Joseph's Healthcare, McMaster University; C.L. Koening, MD, Division of Rheumatology, University of Utah; C.A. Langford, MD, Department of Rheumatology, Cleveland Clinic; P.A. Monach, MD, PhD, Section of Rheumatology, Boston University School of Medicine; L. Moreland, MD, Division of Rheumatology, University of Pittsburgh; C. Pagnoux, MD, MSc, MPH, Division of Rheumatology, Mount Sinai Hospital; U. Specks, MD, Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science; A.G. Sreih, MD, Division of Rheumatology, University of Pennsylvania; S.R. Ytterberg, MD, Division of Rheumatology, Mayo Clinic College of Medicine and Science; P.A. Merkel, MD, MPH, Division of Rheumatology, University of Pennsylvania.; Milman N; From the Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Department of Biostatistics, Epidemiology, and Informatics, and Division of Rheumatology, and Department of Family Medicine and Community Health, and Division of General Internal Medicine, University of Pennsylvania, Philadelphia; Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, University of Utah, Salt Lake City, Utah; Department of Rheumatology, Cleveland Clinic, Cleveland; Ohio State University Wexner Medical Center, Columbus, Ohio; Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts; Division of Rheumatology, and Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford; Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol, Bristol, UK; Department of Rheumatology, University of Ottawa, Ottawa; Division of Rheumatology, Mount Sinai Hospital, Toronto; Division of Rheumatology, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada.; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, and Centre for Rheumatology Research, University Hospital; J.T. Farrar, MD, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Cuthbertson, MS, Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; S. Ashdown, RN, Oxfordshire; P.F. Cronholm, MD, MSCE, Department of Family Medicine and Community Health, University of Pennsylvania; J. Dawson, MA, MSc, DPhil, SRN, SCM, Nuffield Department of Population Health (HSRU), University of Oxford; D. Gebhart, MD, Ohio State University Wexner Medical Center, Columbus; G. Lanier, Patient Research Partner, Boston; R.A. Luqmani, DM, FRCP, FRCP(E), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; N. Milman, MD, MSc, FRCPC, Department of Rheumatology, University of Ottawa; J. Peck, RN, Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol; J.A. Shea, PhD, Division of General Internal Medicine, University of Pennsylvania; S. Carette, MD, Division of Rheumatology, Mount Sinai Hospital; N. Khalidi, MD, Division of Rheumatology, St. Joseph's Healthcare, McMaster University; C.L. Koening, MD, Division of Rheumatology, University of Utah; C.A. Langford, MD, Department of Rheumatology, Cleveland Clinic; P.A. Monach, MD, PhD, Section of Rheumatology, Boston University School of Medicine; L. Moreland, MD, Division of Rheumatology, University of Pittsburgh; C. Pagnoux, MD, MSc, MPH, Division of Rheumatology, Mount Sinai Hospital; U. Specks, MD, Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science; A.G. Sreih, MD, Division of Rheumatology, University of Pennsylvania; S.R. Ytterberg, MD, Division of Rheumatology, Mayo Clinic College of Medicine and Science; P.A. Merkel, MD, MPH, Division of Rheumatology, University of Pennsylvania.; Peck J; From the Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Department of Biostatistics, Epidemiology, and Informatics, and Division of Rheumatology, and Department of Family Medicine and Community Health, and Division of General Internal Medicine, University of Pennsylvania, Philadelphia; Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, University of Utah, Salt Lake City, Utah; Department of Rheumatology, Cleveland Clinic, Cleveland; Ohio State University Wexner Medical Center, Columbus, Ohio; Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts; Division of Rheumatology, and Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford; Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol, Bristol, UK; Department of Rheumatology, University of Ottawa, Ottawa; Division of Rheumatology, Mount Sinai Hospital, Toronto; Division of Rheumatology, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada.; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, and Centre for Rheumatology Research, University Hospital; J.T. Farrar, MD, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Cuthbertson, MS, Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; S. Ashdown, RN, Oxfordshire; P.F. Cronholm, MD, MSCE, Department of Family Medicine and Community Health, University of Pennsylvania; J. Dawson, MA, MSc, DPhil, SRN, SCM, Nuffield Department of Population Health (HSRU), University of Oxford; D. Gebhart, MD, Ohio State University Wexner Medical Center, Columbus; G. Lanier, Patient Research Partner, Boston; R.A. Luqmani, DM, FRCP, FRCP(E), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; N. Milman, MD, MSc, FRCPC, Department of Rheumatology, University of Ottawa; J. Peck, RN, Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol; J.A. Shea, PhD, Division of General Internal Medicine, University of Pennsylvania; S. Carette, MD, Division of Rheumatology, Mount Sinai Hospital; N. Khalidi, MD, Division of Rheumatology, St. Joseph's Healthcare, McMaster University; C.L. Koening, MD, Division of Rheumatology, University of Utah; C.A. Langford, MD, Department of Rheumatology, Cleveland Clinic; P.A. Monach, MD, PhD, Section of Rheumatology, Boston University School of Medicine; L. Moreland, MD, Division of Rheumatology, University of Pittsburgh; C. Pagnoux, MD, MSc, MPH, Division of Rheumatology, Mount Sinai Hospital; U. Specks, MD, Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science; A.G. Sreih, MD, Division of Rheumatology, University of Pennsylvania; S.R. Ytterberg, MD, Division of Rheumatology, Mayo Clinic College of Medicine and Science; P.A. Merkel, MD, MPH, Division of Rheumatology, University of Pennsylvania.; Robson JC; From the Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Department of Biostatistics, Epidemiology, and Informatics, and Division of Rheumatology, and Department of Family Medicine and Community Health, and Division of General Internal Medicine, University of Pennsylvania, Philadelphia; Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, University of Utah, Salt Lake City, Utah; Department of Rheumatology, Cleveland Clinic, Cleveland; Ohio State University Wexner Medical Center, Columbus, Ohio; Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts; Division of Rheumatology, and Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford; Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol, Bristol, UK; Department of Rheumatology, University of Ottawa, Ottawa; Division of Rheumatology, Mount Sinai Hospital, Toronto; Division of Rheumatology, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada.; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, and Centre for Rheumatology Research, University Hospital; J.T. Farrar, MD, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Cuthbertson, MS, Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; S. Ashdown, RN, Oxfordshire; P.F. Cronholm, MD, MSCE, Department of Family Medicine and Community Health, University of Pennsylvania; J. Dawson, MA, MSc, DPhil, SRN, SCM, Nuffield Department of Population Health (HSRU), University of Oxford; D. Gebhart, MD, Ohio State University Wexner Medical Center, Columbus; G. Lanier, Patient Research Partner, Boston; R.A. Luqmani, DM, FRCP, FRCP(E), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; N. Milman, MD, MSc, FRCPC, Department of Rheumatology, University of Ottawa; J. Peck, RN, Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol; J.A. Shea, PhD, Division of General Internal Medicine, University of Pennsylvania; S. Carette, MD, Division of Rheumatology, Mount Sinai Hospital; N. Khalidi, MD, Division of Rheumatology, St. Joseph's Healthcare, McMaster University; C.L. Koening, MD, Division of Rheumatology, University of Utah; C.A. Langford, MD, Department of Rheumatology, Cleveland Clinic; P.A. Monach, MD, PhD, Section of Rheumatology, Boston University School of Medicine; L. Moreland, MD, Division of Rheumatology, University of Pittsburgh; C. Pagnoux, MD, MSc, MPH, Division of Rheumatology, Mount Sinai Hospital; U. Specks, MD, Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science; A.G. Sreih, MD, Division of Rheumatology, University of Pennsylvania; S.R. Ytterberg, MD, Division of Rheumatology, Mayo Clinic College of Medicine and Science; P.A. Merkel, MD, MPH, Division of Rheumatology, University of Pennsylvania.; Shea JA; From the Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Department of Biostatistics, Epidemiology, and Informatics, and Division of Rheumatology, and Department of Family Medicine and Community Health, and Division of General Internal Medicine, University of Pennsylvania, Philadelphia; Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, University of Utah, Salt Lake City, Utah; Department of Rheumatology, Cleveland Clinic, Cleveland; Ohio State University Wexner Medical Center, Columbus, Ohio; Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts; Division of Rheumatology, and Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford; Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol, Bristol, UK; Department of Rheumatology, University of Ottawa, Ottawa; Division of Rheumatology, Mount Sinai Hospital, Toronto; Division of Rheumatology, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada.; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, and Centre for Rheumatology Research, University Hospital; J.T. Farrar, MD, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Cuthbertson, MS, Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; S. Ashdown, RN, Oxfordshire; P.F. Cronholm, MD, MSCE, Department of Family Medicine and Community Health, University of Pennsylvania; J. Dawson, MA, MSc, DPhil, SRN, SCM, Nuffield Department of Population Health (HSRU), University of Oxford; D. Gebhart, MD, Ohio State University Wexner Medical Center, Columbus; G. Lanier, Patient Research Partner, Boston; R.A. Luqmani, DM, FRCP, FRCP(E), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; N. Milman, MD, MSc, FRCPC, Department of Rheumatology, University of Ottawa; J. Peck, RN, Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol; J.A. Shea, PhD, Division of General Internal Medicine, University of Pennsylvania; S. Carette, MD, Division of Rheumatology, Mount Sinai Hospital; N. Khalidi, MD, Division of Rheumatology, St. Joseph's Healthcare, McMaster University; C.L. Koening, MD, Division of Rheumatology, University of Utah; C.A. Langford, MD, Department of Rheumatology, Cleveland Clinic; P.A. Monach, MD, PhD, Section of Rheumatology, Boston University School of Medicine; L. Moreland, MD, Division of Rheumatology, University of Pittsburgh; C. Pagnoux, MD, MSc, MPH, Division of Rheumatology, Mount Sinai Hospital; U. Specks, MD, Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science; A.G. Sreih, MD, Division of Rheumatology, University of Pennsylvania; S.R. Ytterberg, MD, Division of Rheumatology, Mayo Clinic College of Medicine and Science; P.A. Merkel, MD, MPH, Division of Rheumatology, University of Pennsylvania.; Carette S; From the Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Department of Biostatistics, Epidemiology, and Informatics, and Division of Rheumatology, and Department of Family Medicine and Community Health, and Division of General Internal Medicine, University of Pennsylvania, Philadelphia; Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, University of Utah, Salt Lake City, Utah; Department of Rheumatology, Cleveland Clinic, Cleveland; Ohio State University Wexner Medical Center, Columbus, Ohio; Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts; Division of Rheumatology, and Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford; Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol, Bristol, UK; Department of Rheumatology, University of Ottawa, Ottawa; Division of Rheumatology, Mount Sinai Hospital, Toronto; Division of Rheumatology, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada.; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, and Centre for Rheumatology Research, University Hospital; J.T. Farrar, MD, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Cuthbertson, MS, Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; S. Ashdown, RN, Oxfordshire; P.F. Cronholm, MD, MSCE, Department of Family Medicine and Community Health, University of Pennsylvania; J. Dawson, MA, MSc, DPhil, SRN, SCM, Nuffield Department of Population Health (HSRU), University of Oxford; D. Gebhart, MD, Ohio State University Wexner Medical Center, Columbus; G. Lanier, Patient Research Partner, Boston; R.A. Luqmani, DM, FRCP, FRCP(E), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; N. Milman, MD, MSc, FRCPC, Department of Rheumatology, University of Ottawa; J. Peck, RN, Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol; J.A. Shea, PhD, Division of General Internal Medicine, University of Pennsylvania; S. Carette, MD, Division of Rheumatology, Mount Sinai Hospital; N. Khalidi, MD, Division of Rheumatology, St. Joseph's Healthcare, McMaster University; C.L. Koening, MD, Division of Rheumatology, University of Utah; C.A. Langford, MD, Department of Rheumatology, Cleveland Clinic; P.A. Monach, MD, PhD, Section of Rheumatology, Boston University School of Medicine; L. Moreland, MD, Division of Rheumatology, University of Pittsburgh; C. Pagnoux, MD, MSc, MPH, Division of Rheumatology, Mount Sinai Hospital; U. Specks, MD, Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science; A.G. Sreih, MD, Division of Rheumatology, University of Pennsylvania; S.R. Ytterberg, MD, Division of Rheumatology, Mayo Clinic College of Medicine and Science; P.A. Merkel, MD, MPH, Division of Rheumatology, University of Pennsylvania.; Khalidi N; From the Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Department of Biostatistics, Epidemiology, and Informatics, and Division of Rheumatology, and Department of Family Medicine and Community Health, and Division of General Internal Medicine, University of Pennsylvania, Philadelphia; Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, University of Utah, Salt Lake City, Utah; Department of Rheumatology, Cleveland Clinic, Cleveland; Ohio State University Wexner Medical Center, Columbus, Ohio; Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts; Division of Rheumatology, and Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford; Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol, Bristol, UK; Department of Rheumatology, University of Ottawa, Ottawa; Division of Rheumatology, Mount Sinai Hospital, Toronto; Division of Rheumatology, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada.; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, and Centre for Rheumatology Research, University Hospital; J.T. Farrar, MD, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Cuthbertson, MS, Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; S. Ashdown, RN, Oxfordshire; P.F. Cronholm, MD, MSCE, Department of Family Medicine and Community Health, University of Pennsylvania; J. Dawson, MA, MSc, DPhil, SRN, SCM, Nuffield Department of Population Health (HSRU), University of Oxford; D. Gebhart, MD, Ohio State University Wexner Medical Center, Columbus; G. Lanier, Patient Research Partner, Boston; R.A. Luqmani, DM, FRCP, FRCP(E), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; N. Milman, MD, MSc, FRCPC, Department of Rheumatology, University of Ottawa; J. Peck, RN, Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol; J.A. Shea, PhD, Division of General Internal Medicine, University of Pennsylvania; S. Carette, MD, Division of Rheumatology, Mount Sinai Hospital; N. Khalidi, MD, Division of Rheumatology, St. Joseph's Healthcare, McMaster University; C.L. Koening, MD, Division of Rheumatology, University of Utah; C.A. Langford, MD, Department of Rheumatology, Cleveland Clinic; P.A. Monach, MD, PhD, Section of Rheumatology, Boston University School of Medicine; L. Moreland, MD, Division of Rheumatology, University of Pittsburgh; C. Pagnoux, MD, MSc, MPH, Division of Rheumatology, Mount Sinai Hospital; U. Specks, MD, Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science; A.G. Sreih, MD, Division of Rheumatology, University of Pennsylvania; S.R. Ytterberg, MD, Division of Rheumatology, Mayo Clinic College of Medicine and Science; P.A. Merkel, MD, MPH, Division of Rheumatology, University of Pennsylvania.; Koening CL; From the Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Department of Biostatistics, Epidemiology, and Informatics, and Division of Rheumatology, and Department of Family Medicine and Community Health, and Division of General Internal Medicine, University of Pennsylvania, Philadelphia; Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, University of Utah, Salt Lake City, Utah; Department of Rheumatology, Cleveland Clinic, Cleveland; Ohio State University Wexner Medical Center, Columbus, Ohio; Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts; Division of Rheumatology, and Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford; Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol, Bristol, UK; Department of Rheumatology, University of Ottawa, Ottawa; Division of Rheumatology, Mount Sinai Hospital, Toronto; Division of Rheumatology, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada.; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, and Centre for Rheumatology Research, University Hospital; J.T. Farrar, MD, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Cuthbertson, MS, Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; S. Ashdown, RN, Oxfordshire; P.F. Cronholm, MD, MSCE, Department of Family Medicine and Community Health, University of Pennsylvania; J. Dawson, MA, MSc, DPhil, SRN, SCM, Nuffield Department of Population Health (HSRU), University of Oxford; D. Gebhart, MD, Ohio State University Wexner Medical Center, Columbus; G. Lanier, Patient Research Partner, Boston; R.A. Luqmani, DM, FRCP, FRCP(E), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; N. Milman, MD, MSc, FRCPC, Department of Rheumatology, University of Ottawa; J. Peck, RN, Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol; J.A. Shea, PhD, Division of General Internal Medicine, University of Pennsylvania; S. Carette, MD, Division of Rheumatology, Mount Sinai Hospital; N. Khalidi, MD, Division of Rheumatology, St. Joseph's Healthcare, McMaster University; C.L. Koening, MD, Division of Rheumatology, University of Utah; C.A. Langford, MD, Department of Rheumatology, Cleveland Clinic; P.A. Monach, MD, PhD, Section of Rheumatology, Boston University School of Medicine; L. Moreland, MD, Division of Rheumatology, University of Pittsburgh; C. Pagnoux, MD, MSc, MPH, Division of Rheumatology, Mount Sinai Hospital; U. Specks, MD, Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science; A.G. Sreih, MD, Division of Rheumatology, University of Pennsylvania; S.R. Ytterberg, MD, Division of Rheumatology, Mayo Clinic College of Medicine and Science; P.A. Merkel, MD, MPH, Division of Rheumatology, University of Pennsylvania.; Langford CA; From the Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Department of Biostatistics, Epidemiology, and Informatics, and Division of Rheumatology, and Department of Family Medicine and Community Health, and Division of General Internal Medicine, University of Pennsylvania, Philadelphia; Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, University of Utah, Salt Lake City, Utah; Department of Rheumatology, Cleveland Clinic, Cleveland; Ohio State University Wexner Medical Center, Columbus, Ohio; Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts; Division of Rheumatology, and Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford; Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol, Bristol, UK; Department of Rheumatology, University of Ottawa, Ottawa; Division of Rheumatology, Mount Sinai Hospital, Toronto; Division of Rheumatology, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada.; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, and Centre for Rheumatology Research, University Hospital; J.T. Farrar, MD, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Cuthbertson, MS, Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; S. Ashdown, RN, Oxfordshire; P.F. Cronholm, MD, MSCE, Department of Family Medicine and Community Health, University of Pennsylvania; J. Dawson, MA, MSc, DPhil, SRN, SCM, Nuffield Department of Population Health (HSRU), University of Oxford; D. Gebhart, MD, Ohio State University Wexner Medical Center, Columbus; G. Lanier, Patient Research Partner, Boston; R.A. Luqmani, DM, FRCP, FRCP(E), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; N. Milman, MD, MSc, FRCPC, Department of Rheumatology, University of Ottawa; J. Peck, RN, Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol; J.A. Shea, PhD, Division of General Internal Medicine, University of Pennsylvania; S. Carette, MD, Division of Rheumatology, Mount Sinai Hospital; N. Khalidi, MD, Division of Rheumatology, St. Joseph's Healthcare, McMaster University; C.L. Koening, MD, Division of Rheumatology, University of Utah; C.A. Langford, MD, Department of Rheumatology, Cleveland Clinic; P.A. Monach, MD, PhD, Section of Rheumatology, Boston University School of Medicine; L. Moreland, MD, Division of Rheumatology, University of Pittsburgh; C. Pagnoux, MD, MSc, MPH, Division of Rheumatology, Mount Sinai Hospital; U. Specks, MD, Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science; A.G. Sreih, MD, Division of Rheumatology, University of Pennsylvania; S.R. Ytterberg, MD, Division of Rheumatology, Mayo Clinic College of Medicine and Science; P.A. Merkel, MD, MPH, Division of Rheumatology, University of Pennsylvania.; Monach PA; From the Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Department of Biostatistics, Epidemiology, and Informatics, and Division of Rheumatology, and Department of Family Medicine and Community Health, and Division of General Internal Medicine, University of Pennsylvania, Philadelphia; Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, University of Utah, Salt Lake City, Utah; Department of Rheumatology, Cleveland Clinic, Cleveland; Ohio State University Wexner Medical Center, Columbus, Ohio; Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts; Division of Rheumatology, and Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford; Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol, Bristol, UK; Department of Rheumatology, University of Ottawa, Ottawa; Division of Rheumatology, Mount Sinai Hospital, Toronto; Division of Rheumatology, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada.; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, and Centre for Rheumatology Research, University Hospital; J.T. Farrar, MD, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Cuthbertson, MS, Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; S. Ashdown, RN, Oxfordshire; P.F. Cronholm, MD, MSCE, Department of Family Medicine and Community Health, University of Pennsylvania; J. Dawson, MA, MSc, DPhil, SRN, SCM, Nuffield Department of Population Health (HSRU), University of Oxford; D. Gebhart, MD, Ohio State University Wexner Medical Center, Columbus; G. Lanier, Patient Research Partner, Boston; R.A. Luqmani, DM, FRCP, FRCP(E), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; N. Milman, MD, MSc, FRCPC, Department of Rheumatology, University of Ottawa; J. Peck, RN, Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol; J.A. Shea, PhD, Division of General Internal Medicine, University of Pennsylvania; S. Carette, MD, Division of Rheumatology, Mount Sinai Hospital; N. Khalidi, MD, Division of Rheumatology, St. Joseph's Healthcare, McMaster University; C.L. Koening, MD, Division of Rheumatology, University of Utah; C.A. Langford, MD, Department of Rheumatology, Cleveland Clinic; P.A. Monach, MD, PhD, Section of Rheumatology, Boston University School of Medicine; L. Moreland, MD, Division of Rheumatology, University of Pittsburgh; C. Pagnoux, MD, MSc, MPH, Division of Rheumatology, Mount Sinai Hospital; U. Specks, MD, Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science; A.G. Sreih, MD, Division of Rheumatology, University of Pennsylvania; S.R. Ytterberg, MD, Division of Rheumatology, Mayo Clinic College of Medicine and Science; P.A. Merkel, MD, MPH, Division of Rheumatology, University of Pennsylvania.; Moreland L; From the Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Department of Biostatistics, Epidemiology, and Informatics, and Division of Rheumatology, and Department of Family Medicine and Community Health, and Division of General Internal Medicine, University of Pennsylvania, Philadelphia; Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, University of Utah, Salt Lake City, Utah; Department of Rheumatology, Cleveland Clinic, Cleveland; Ohio State University Wexner Medical Center, Columbus, Ohio; Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts; Division of Rheumatology, and Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford; Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol, Bristol, UK; Department of Rheumatology, University of Ottawa, Ottawa; Division of Rheumatology, Mount Sinai Hospital, Toronto; Division of Rheumatology, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada.; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, and Centre for Rheumatology Research, University Hospital; J.T. Farrar, MD, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Cuthbertson, MS, Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; S. Ashdown, RN, Oxfordshire; P.F. Cronholm, MD, MSCE, Department of Family Medicine and Community Health, University of Pennsylvania; J. Dawson, MA, MSc, DPhil, SRN, SCM, Nuffield Department of Population Health (HSRU), University of Oxford; D. Gebhart, MD, Ohio State University Wexner Medical Center, Columbus; G. Lanier, Patient Research Partner, Boston; R.A. Luqmani, DM, FRCP, FRCP(E), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; N. Milman, MD, MSc, FRCPC, Department of Rheumatology, University of Ottawa; J. Peck, RN, Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol; J.A. Shea, PhD, Division of General Internal Medicine, University of Pennsylvania; S. Carette, MD, Division of Rheumatology, Mount Sinai Hospital; N. Khalidi, MD, Division of Rheumatology, St. Joseph's Healthcare, McMaster University; C.L. Koening, MD, Division of Rheumatology, University of Utah; C.A. Langford, MD, Department of Rheumatology, Cleveland Clinic; P.A. Monach, MD, PhD, Section of Rheumatology, Boston University School of Medicine; L. Moreland, MD, Division of Rheumatology, University of Pittsburgh; C. Pagnoux, MD, MSc, MPH, Division of Rheumatology, Mount Sinai Hospital; U. Specks, MD, Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science; A.G. Sreih, MD, Division of Rheumatology, University of Pennsylvania; S.R. Ytterberg, MD, Division of Rheumatology, Mayo Clinic College of Medicine and Science; P.A. Merkel, MD, MPH, Division of Rheumatology, University of Pennsylvania.; Pagnoux C; From the Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Department of Biostatistics, Epidemiology, and Informatics, and Division of Rheumatology, and Department of Family Medicine and Community Health, and Division of General Internal Medicine, University of Pennsylvania, Philadelphia; Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, University of Utah, Salt Lake City, Utah; Department of Rheumatology, Cleveland Clinic, Cleveland; Ohio State University Wexner Medical Center, Columbus, Ohio; Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts; Division of Rheumatology, and Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford; Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol, Bristol, UK; Department of Rheumatology, University of Ottawa, Ottawa; Division of Rheumatology, Mount Sinai Hospital, Toronto; Division of Rheumatology, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada.; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, and Centre for Rheumatology Research, University Hospital; J.T. Farrar, MD, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Cuthbertson, MS, Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; S. Ashdown, RN, Oxfordshire; P.F. Cronholm, MD, MSCE, Department of Family Medicine and Community Health, University of Pennsylvania; J. Dawson, MA, MSc, DPhil, SRN, SCM, Nuffield Department of Population Health (HSRU), University of Oxford; D. Gebhart, MD, Ohio State University Wexner Medical Center, Columbus; G. Lanier, Patient Research Partner, Boston; R.A. Luqmani, DM, FRCP, FRCP(E), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; N. Milman, MD, MSc, FRCPC, Department of Rheumatology, University of Ottawa; J. Peck, RN, Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol; J.A. Shea, PhD, Division of General Internal Medicine, University of Pennsylvania; S. Carette, MD, Division of Rheumatology, Mount Sinai Hospital; N. Khalidi, MD, Division of Rheumatology, St. Joseph's Healthcare, McMaster University; C.L. Koening, MD, Division of Rheumatology, University of Utah; C.A. Langford, MD, Department of Rheumatology, Cleveland Clinic; P.A. Monach, MD, PhD, Section of Rheumatology, Boston University School of Medicine; L. Moreland, MD, Division of Rheumatology, University of Pittsburgh; C. Pagnoux, MD, MSc, MPH, Division of Rheumatology, Mount Sinai Hospital; U. Specks, MD, Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science; A.G. Sreih, MD, Division of Rheumatology, University of Pennsylvania; S.R. Ytterberg, MD, Division of Rheumatology, Mayo Clinic College of Medicine and Science; P.A. Merkel, MD, MPH, Division of Rheumatology, University of Pennsylvania.; Specks U; From the Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Department of Biostatistics, Epidemiology, and Informatics, and Division of Rheumatology, and Department of Family Medicine and Community Health, and Division of General Internal Medicine, University of Pennsylvania, Philadelphia; Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, University of Utah, Salt Lake City, Utah; Department of Rheumatology, Cleveland Clinic, Cleveland; Ohio State University Wexner Medical Center, Columbus, Ohio; Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts; Division of Rheumatology, and Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford; Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol, Bristol, UK; Department of Rheumatology, University of Ottawa, Ottawa; Division of Rheumatology, Mount Sinai Hospital, Toronto; Division of Rheumatology, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada.; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, and Centre for Rheumatology Research, University Hospital; J.T. Farrar, MD, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Cuthbertson, MS, Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; S. Ashdown, RN, Oxfordshire; P.F. Cronholm, MD, MSCE, Department of Family Medicine and Community Health, University of Pennsylvania; J. Dawson, MA, MSc, DPhil, SRN, SCM, Nuffield Department of Population Health (HSRU), University of Oxford; D. Gebhart, MD, Ohio State University Wexner Medical Center, Columbus; G. Lanier, Patient Research Partner, Boston; R.A. Luqmani, DM, FRCP, FRCP(E), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; N. Milman, MD, MSc, FRCPC, Department of Rheumatology, University of Ottawa; J. Peck, RN, Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol; J.A. Shea, PhD, Division of General Internal Medicine, University of Pennsylvania; S. Carette, MD, Division of Rheumatology, Mount Sinai Hospital; N. Khalidi, MD, Division of Rheumatology, St. Joseph's Healthcare, McMaster University; C.L. Koening, MD, Division of Rheumatology, University of Utah; C.A. Langford, MD, Department of Rheumatology, Cleveland Clinic; P.A. Monach, MD, PhD, Section of Rheumatology, Boston University School of Medicine; L. Moreland, MD, Division of Rheumatology, University of Pittsburgh; C. Pagnoux, MD, MSc, MPH, Division of Rheumatology, Mount Sinai Hospital; U. Specks, MD, Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science; A.G. Sreih, MD, Division of Rheumatology, University of Pennsylvania; S.R. Ytterberg, MD, Division of Rheumatology, Mayo Clinic College of Medicine and Science; P.A. Merkel, MD, MPH, Division of Rheumatology, University of Pennsylvania.; Sreih AG; From the Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Department of Biostatistics, Epidemiology, and Informatics, and Division of Rheumatology, and Department of Family Medicine and Community Health, and Division of General Internal Medicine, University of Pennsylvania, Philadelphia; Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, University of Utah, Salt Lake City, Utah; Department of Rheumatology, Cleveland Clinic, Cleveland; Ohio State University Wexner Medical Center, Columbus, Ohio; Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts; Division of Rheumatology, and Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford; Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol, Bristol, UK; Department of Rheumatology, University of Ottawa, Ottawa; Division of Rheumatology, Mount Sinai Hospital, Toronto; Division of Rheumatology, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada.; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, and Centre for Rheumatology Research, University Hospital; J.T. Farrar, MD, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Cuthbertson, MS, Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; S. Ashdown, RN, Oxfordshire; P.F. Cronholm, MD, MSCE, Department of Family Medicine and Community Health, University of Pennsylvania; J. Dawson, MA, MSc, DPhil, SRN, SCM, Nuffield Department of Population Health (HSRU), University of Oxford; D. Gebhart, MD, Ohio State University Wexner Medical Center, Columbus; G. Lanier, Patient Research Partner, Boston; R.A. Luqmani, DM, FRCP, FRCP(E), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; N. Milman, MD, MSc, FRCPC, Department of Rheumatology, University of Ottawa; J. Peck, RN, Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol; J.A. Shea, PhD, Division of General Internal Medicine, University of Pennsylvania; S. Carette, MD, Division of Rheumatology, Mount Sinai Hospital; N. Khalidi, MD, Division of Rheumatology, St. Joseph's Healthcare, McMaster University; C.L. Koening, MD, Division of Rheumatology, University of Utah; C.A. Langford, MD, Department of Rheumatology, Cleveland Clinic; P.A. Monach, MD, PhD, Section of Rheumatology, Boston University School of Medicine; L. Moreland, MD, Division of Rheumatology, University of Pittsburgh; C. Pagnoux, MD, MSc, MPH, Division of Rheumatology, Mount Sinai Hospital; U. Specks, MD, Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science; A.G. Sreih, MD, Division of Rheumatology, University of Pennsylvania; S.R. Ytterberg, MD, Division of Rheumatology, Mayo Clinic College of Medicine and Science; P.A. Merkel, MD, MPH, Division of Rheumatology, University of Pennsylvania.; Ytterberg SR; From the Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Department of Biostatistics, Epidemiology, and Informatics, and Division of Rheumatology, and Department of Family Medicine and Community Health, and Division of General Internal Medicine, University of Pennsylvania, Philadelphia; Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, University of Utah, Salt Lake City, Utah; Department of Rheumatology, Cleveland Clinic, Cleveland; Ohio State University Wexner Medical Center, Columbus, Ohio; Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts; Division of Rheumatology, and Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford; Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol, Bristol, UK; Department of Rheumatology, University of Ottawa, Ottawa; Division of Rheumatology, Mount Sinai Hospital, Toronto; Division of Rheumatology, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada.; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, and Centre for Rheumatology Research, University Hospital; J.T. Farrar, MD, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Cuthbertson, MS, Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; S. Ashdown, RN, Oxfordshire; P.F. Cronholm, MD, MSCE, Department of Family Medicine and Community Health, University of Pennsylvania; J. Dawson, MA, MSc, DPhil, SRN, SCM, Nuffield Department of Population Health (HSRU), University of Oxford; D. Gebhart, MD, Ohio State University Wexner Medical Center, Columbus; G. Lanier, Patient Research Partner, Boston; R.A. Luqmani, DM, FRCP, FRCP(E), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; N. Milman, MD, MSc, FRCPC, Department of Rheumatology, University of Ottawa; J. Peck, RN, Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol; J.A. Shea, PhD, Division of General Internal Medicine, University of Pennsylvania; S. Carette, MD, Division of Rheumatology, Mount Sinai Hospital; N. Khalidi, MD, Division of Rheumatology, St. Joseph's Healthcare, McMaster University; C.L. Koening, MD, Division of Rheumatology, University of Utah; C.A. Langford, MD, Department of Rheumatology, Cleveland Clinic; P.A. Monach, MD, PhD, Section of Rheumatology, Boston University School of Medicine; L. Moreland, MD, Division of Rheumatology, University of Pittsburgh; C. Pagnoux, MD, MSc, MPH, Division of Rheumatology, Mount Sinai Hospital; U. Specks, MD, Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science; A.G. Sreih, MD, Division of Rheumatology, University of Pennsylvania; S.R. Ytterberg, MD, Division of Rheumatology, Mayo Clinic College of Medicine and Science; P.A. Merkel, MD, MPH, Division of Rheumatology, University of Pennsylvania.; Merkel PA; From the Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland; Department of Rheumatology, and Centre for Rheumatology Research, University Hospital, Reykjavik, Iceland; Department of Biostatistics, Epidemiology, and Informatics, and Division of Rheumatology, and Department of Family Medicine and Community Health, and Division of General Internal Medicine, University of Pennsylvania, Philadelphia; Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, University of Utah, Salt Lake City, Utah; Department of Rheumatology, Cleveland Clinic, Cleveland; Ohio State University Wexner Medical Center, Columbus, Ohio; Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts; Division of Rheumatology, and Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nuffield Department of Population Health, Health Services Research Unit (HSRU), and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford; Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol, Bristol, UK; Department of Rheumatology, University of Ottawa, Ottawa; Division of Rheumatology, Mount Sinai Hospital, Toronto; Division of Rheumatology, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada.; G. Tomasson, MD, PhD, Assistant Professor, Department of Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland, and Department of Rheumatology, and Centre for Rheumatology Research, University Hospital; J.T. Farrar, MD, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Cuthbertson, MS, Department of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; S. Ashdown, RN, Oxfordshire; P.F. Cronholm, MD, MSCE, Department of Family Medicine and Community Health, University of Pennsylvania; J. Dawson, MA, MSc, DPhil, SRN, SCM, Nuffield Department of Population Health (HSRU), University of Oxford; D. Gebhart, MD, Ohio State University Wexner Medical Center, Columbus; G. Lanier, Patient Research Partner, Boston; R.A. Luqmani, DM, FRCP, FRCP(E), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; N. Milman, MD, MSc, FRCPC, Department of Rheumatology, University of Ottawa; J. Peck, RN, Faculty of Health and Applied Sciences, University of the West of England, Bristol and School of Clinical Sciences, University of Bristol; J.A. Shea, PhD, Division of General Internal Medicine, University of Pennsylvania; S. Carette, MD, Division of Rheumatology, Mount Sinai Hospital; N. Khalidi, MD, Division of Rheumatology, St. Joseph's Healthcare, McMaster University; C.L. Koening, MD, Division of Rheumatology, University of Utah; C.A. Langford, MD, Department of Rheumatology, Cleveland Clinic; P.A. Monach, MD, PhD, Section of Rheumatology, Boston University School of Medicine; L. Moreland, MD, Division of Rheumatology, University of Pittsburgh; C. Pagnoux, MD, MSc, MPH, Division of Rheumatology, Mount Sinai Hospital; U. Specks, MD, Division of Pulmonology and Critical Care Medicine, Mayo Clinic College of Medicine and Science; A.G. Sreih, MD, Division of Rheumatology, University of Pennsylvania; S.R. Ytterberg, MD, Division of Rheumatology, Mayo Clinic College of Medicine and Science; P.A. Merkel, MD, MPH, Division of Rheumatology, University of Pennsylvania.

Publisher: Journal Of Rheumatology Publishing Co Country of Publication: Canada NLM ID: 7501984 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 0315-162X (Print) Linking ISSN: 0315162X NLM ISO Abbreviation: J Rheumatol Subsets: MEDLINE

Robson JC; Faculty of Health and Applied Sciences, University of the West of England, Bristol, UK.; University of Bristol School of Clinical Science, Bristol, UK.; Dawson J; University of Oxford, Nuffield Department of Population Health (HSRU), Oxford, UK.; Doll H; Oxford Outcomes UK, Oxford, UK.; Cronholm PF; University of Pennsylvania Perelman School of Medicine, Department of Family Medicine and Community Health, Philadelphia, Pennsylvania, USA.; Milman N; Division of Rheumatology, Department of Medicine in Ottawa, Ottawa, Ontario, Canada.; Kellom K; Children's Hospital of Philadelphia, PolicyLab, Philadelphia, Pennsylvania, USA.; Ashdown S; Patient Partner, Oxford, UK.; Easley E; University of Pennsylvania, Department of Family Medicine and Community Health, Philadelphia, USA.; Gebhart D; Patient Partner, Columbus, Ohio, USA.; Lanier G; Patient Partner, Boston, Massachusetts, USA.; Mills J; West Bank House, Vasculitis UK, Matlock, UK.; Peck J; Patient Partner, Oxford, UK.; Luqmani RA; Nuffield Department of Orthopaedicx, Rheumatology and Musculoskeletal Science (NDORMs), University of Oxford, Oxford, UK.; Shea J; Department of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.; Tomasson G; University of Iceland, Reykjavik, Iceland.; Merkel PA; Department of Rheumatology, University of Pennsylvania, Philadelphia, Massachusetts, USA.

Publisher: BMJ Country of Publication: England NLM ID: 0372355 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1468-2060 (Electronic) Linking ISSN: 00034967 NLM ISO Abbreviation: Ann Rheum Dis