1Centre for Rheumatology Research, University College London, Fourth Floor Rayne Institute, London, UK
2Headache Group, Institute of Neurology and The National Hospital for Neurology and Neurosurgery, London, UK
3Arthritis Research UK Centre for Adolescent Rheumatology, UCL/UCLH/Great Ormond Street Hospital, London, UK
4Division of Rheumatology, Dalhousie University and Queen Elizabeth II Health Sciences Center, Halifax, Canada
5Lupus Program, Centre for Prognosis Studies in The Rheumatic Disease and Krembil Research Institute, Toronto Western Hospital, University of Toronto, Toronto, Canada
6Feinstein Institute for Medical Research, Manhasset, USA
7Rheumatology, Columbia University, New York, USA
8Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, South Korea
9Divisions of Clinical Epidemiology and Rheumatology, McGill University Health Centre, Montreal, Canada
10Arthritis Research UK Centre for Epidemiology, Centre for Musculoskeletal Research, The University of Manchester, and NIHR Manchester Musculoskeletal Biomedical Research Unit, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
11New York School of Medicine, New York, USA
12Division of Rheumatology, Cumming School of Medicine, University of Calgary, Calgary, Canada
13Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, USA
14Centre Hospitalier de l’Université Laval (CHUL), Québec, Canada.
15Downstate Medical Center Rheumatology, New York, USA
16Rheumatology Research Group, Institute of Inflammation and Ageing, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
17Department of Internal Medicine, Istanbul University, Istanbul, Turkey
18Copenhagen Lupus and Vasculitis Clinic, Centre For Rheumatology and Spine Diseases, Copenhagen, Denmark
19University of California, San Diego, La Jolla, USA
20Division of Rheumatology and Immunology, Medical University of South Carolina, Charleston, USA
21FRCP Division of Women’s Health, King’s College, London, UK
22Department of Medicine, Emory University, Atlanta, USA.
23Allegheny Health Network, Pittsburgh, USA
24Clinical Pharmacology, Oklahoma Medical Research Foundation, Oklahoma City, USA
25Department of Rheumatology, Lund University, Lund, Sweden
26Department of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
27Johns Hopkins University School of Medicine, Baltimore, USA
28Northwestern University Feinberg School of Medicine, Chicago, USA
29Autoimmune Diseases Research Unit, Department of Internal Medicine, BioCruces Health Research Institute. Hospital Universitario Cruces, University of the Basque Country, Barakaldo, Spain
30Mount Sinai Hospital and University Health Network, University of Toronto, Toronto, Canada
31Department of Rheumatology, Landspitali University Hospital, Reykjavik, Iceland
32Rheumatology Unit, Department of Medicine, Karolinska University Hospital, Solna, Sweden
33Cedars-Sinai Medical Center, David Geffen School of Medicine at UCLA, Los Angeles, USA
34Department of Rheumatology Hairmyres Hospital, East Kilbride, Scotland, UK
