1 Division of Musculoskeletal and Dermatological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, Centre for Musculoskeletal Research, School of Biological Sciences, The University of Manchester, Manchester, UK.
2 Greater Manchester Neurosciences Centre, Salford Royal NHS Foundation Trust, Stott Lane, UK.
3 Institute of Rheumatology, Prague, Czech Republic.
4 Department of Rheumatology, China-Japan Friendship Hospital, Beijing, China.
5 University College London GOS Institute of Child Health and NIHR GOSH Biomedical Research Centre, Great Ormond Street Hospital for Children NHS Trust, London, UK.
6 Department of Rheumatology, Odense University Hospital, Odense, Denmark.
7 Department of Neurology, University Medical Center Göttingen, Göttingen, Germany.
8 Myositis UK, Southampton, UK.
9 Département de Médecine Interne et Immunologie Clinique, Hôpital Pitié-Salpêtrière, AP-HP, UPMC, Paris, France.
10 Dipartimento di Scienze Cliniche e Molecolari, Clinica Medica, Università Politecnica delle Marche and Ospedali Riuniti, Ancona, Italy.
11 Division of Immunology, University of Debrecen, Debrecen, Hungary.
12 Department of Rheumatology, Bach Mai Hospital, Hanoi Medical University, Hanoi, Vietnam.
13 División de Medicina Interna, Servicio de Reumatología, PNPC 004086, CONACyT, Hospital Civil Dr Juan I Menchaca, Guadalajara, Jalisco, Salvador Quevedo y Zubieta S/N, Guadalajara, Mexico.
14 Department of Rheumatology, Oslo University Hospital, Oslo, Norway.
15 Department of Neurology, Ghent University Hospital, Ghent, Belgium.
16 Department of Rheumatology, University Hospital Zurich, Zurich, Switzerland.
17 Department of Rheumatology, Alder Hey Children's NHS Foundation Trust, Liverpool, UK.
18 Department of Rheumatology, Arcispedale S Maria Nuova-IRCCS of Reggio Emilia, Reggio Emilia, Italy.
19 Royal National Hospital for Rheumatic Diseases, Royal United Hospitals Bath, Bath, UK.
20 Department of Pharmacy and Pharmacology, University of Bath, Bath, UK.
21 MRC-ARUK Institute for Ageing and Chronic Disease, University of Liverpool, Liverpool, UK.
22 Division of Population Health, Health Services Research and Primary Care, Faculty of Biology, Medicine and Health, School of Health Sciences, Manchester Academic Health Science Centre, The University of Manchester, Manchester, UK.
23 ZiteLab ApS, Frederiksberg, Denmark.
24 Unit of Rheumatology, Department of Medicine, Karolinska University Hospital, Solna, Karolinska Institutet, Stockholm, Sweden.
25 Rheumatology Department, Salford Royal NHS Foundation Trust, Manchester Academic Health Science Centre, Salford, UK.
26 The National Institute for Health Research Manchester Musculoskeletal Biomedical Research Unit, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, The University of Manchester, Manchester, UK.