[1] Diakonhjemmet Hosp, Ctr Treatment Rheumat & Musculoskeletal Dis REMEDY, Oslo, Norway
[2] Leiden Univ, Dept Orthopaed Rehabil & Phys Therapy, Med Ctr LUMC, Leiden, Netherlands
[3] Univ Genoa, Dept Neurosci Ophthalmol Rehabil Genet & Mother &, Genoa, Italy
[4] Vrije Univ Brussel, Rehabil Res Dept, Brussels, Belgium
[5] Med Univ Sofia, UMHAT St Iv Rilski Clin Rheumatol, Sofia, Bulgaria
[6] Univ Leeds, Leeds Inst Rheumat & Musculoskeletal Med, Leeds, England
[7] NIHR Leeds Biomech Res Ctr, Leeds, England
[8] Univ Nova Lisboa, Comprehens Hlth Res Ctr CHRC, Lisbon, Portugal
[9] Univ Nottingham, Dept Acad Rheumatol, Nottingham, England
[10] Keele Univ, Res Inst Primary Care & Hlth Sci, Sch Med, Keele, England
[11] Keele Univ, Sch Nursing & Midwifery, Keele, England
[12] Med Univ Varna, Dept Internal Med 1, Univ Hosp St Marina, Clin Rheumatol, Varna, Bulgaria
[13] Positivamente Ctr Psicol, Madrid, Spain
[14] Univ Limerick, Fac Educ & Hlth Sci, Sch Allied Hlth, Limerick, Ireland
[15] Univ Limerick, Hlth Res Inst, Limerick, Ireland
[16] Leiden Univ, Dept Rheumatol, Med Ctr LUMC, Leiden, Netherlands
[17] Zuyderland Med Ctr Heerlen, Dept Rheumatol, Heerlen, Netherlands
[18] Lund Univ, Dept Clin Sci Lund, Orthopaed, Lund, Sweden
[19] Western Norway Univ Appl Sci, Ctr Evidence Based Practice, Bergen, Norway
[20] Keele Univ, Sch Med, Keele, England
[21] Charles Univ Prague, Inst Rheumatol, Fac Med 1, Dept Rheumatol, Prague, Czech Republic
[22] EULAR Patient Res Partner, Cyprus League Rheumatism, Nicosia, Cyprus
[23] Univ Surrey, Fac Hlth & Med Sci, Dept Nutr Sci, Guildford, England
[24] Res & Innovat, St Maartensklin, Nijmegen, Netherlands
[25] EULAR Patient Res Partner, Deutsch Rheuma Liga, Bonn, Germany
[26] Casa di Cura Santa Maria Maddalena, Casa di Cura St Maria Maddalena, Novara, Italy