1 Centre for Epidemiology Versus Arthritis, Division of Musculoskeletal and Dermatological Sciences, University of Manchester, Manchester, United Kingdom; Academic Rheumatology, School of Medicine, University of Nottingham, Nottingham, United Kingdom. Electronic address: burak.kundakci@manchester.ac.uk.
2 School of Health Sciences, University of Nottingham, Nottingham, United Kingdom.
3 Rheumatology Unit, University of Messina, Messina, Italy.
4 CEDOC, NOVA Medical School, Faculdade de Ciências Médicas da Universidade NOVA de Lisboa, Lisboa, Portugal.
5 Ben Gurion University of the Negev, Beer - Sheva, Beer-Sheva, Israel.
6 Michigan Medicine, Ann Arbor, MI, United States of America.
7 Vanderbilt University Medical Center, Nashville, TN, United States of America.
8 McGill University, Montreal, Canada.
9 Academic Rheumatology, School of Medicine, University of Nottingham, Nottingham, United Kingdom; Primary Integrated Community Services Ltd, Nottingham, United Kingdom.
10 Johns Hopkins University, Baltimore, MD, United States of America.
11 Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden and Department of Surgical Science, Uppsala University, Uppsala, Sweden.
12 Epidemiology Group and Aberdeen Centre for Arthritis and Musculoskeletal Health, University of Aberdeen, Aberdeen, United Kingdom.
13 Primary Integrated Community Services Ltd, Nottingham, United Kingdom.
14 Department of Orthopedics and Rehabilitation, University of Wisconsin School of Medicine and Public Health, WI, USA.
15 Midlands NHS Foundation Trust, Stoke on Trent, United Kingdom.
16 Centro Hospitalar e Universitário Coimbra (Rheumatology Department), Institute for Clinical and Biomedical Research (i.CBR), Faculty of Medicine, University of Coimbra, Coimbra, Portugal.
17 Cardiff University School of Medicine, Cardiff, United Kingdom.
18 University of Washington School of Medicine, Seattle, WA, United States of America.
19 Michigan Medicine, Ann Arbor, MI, United States of America; Epidemiology Group and Aberdeen Centre for Arthritis and Musculoskeletal Health, University of Aberdeen, Aberdeen, United Kingdom.
20 Academic Rheumatology, School of Medicine, University of Nottingham, Nottingham, United Kingdom.