[1] Charite Univ Med Berlin, Berlin, Germany
[2] Univ Fed Parana, Dept Internal Med, Curitiba, Parana, Brazil
[3] Ruhr Univ Bochum, Rheumazentrum Ruhrgebiet Herne, D-44649 Herne, Germany
[4] Ghent Univ Hosp, Ghent, Belgium
[5] Ruhr Univ Bochum, Rheumazentrum Ruhrgebiet Herne, Bochum, Germany
[6] Univ Cagliari, Cagliari, Italy
[7] Univ Oxford, Nuffield Dept Orthopaed Rheumatol & Musculoskelet, Oxford, England
[8] Univ Toronto, Toronto, ON, Canada
[9] LUMC, Leiden, Zuid Holland, Netherlands
[10] Hosp Italiano La Plata, La Plata, Argentina
[11] Univ Calif San Francisco, Dept Med Rheumatol, San Francisco, CA USA
[12] Duke Univ, Caduceus Biomed Consulting, Durham, NC USA
[13] Icahn Sch Med, Dept Dermatol, New York, NY USA
[14] Leiden Univ, Dept Rheumatol, Med Ctr, Meerssen, Netherlands
[15] Univ Leeds, Leeds Inst Rheumat & Musculoskeletal Med, Leeds, England
[16] Charite, Berlin, Germany
[17] Hacettepe Univ, Div Rheumatol, Dept Internal Med, Fac Med, Ankara, Turkiye
[18] Univ Alberta, Edmonton, AB, Canada
[19] Singapore Gen Hosp, Singapore, Singapore
[20] Hosp Parc Tauli, Sabadell, Spain
[21] Ctr Dermatol Country, Guadalajara, Jalisco, Mexico
[22] Walter Sisulu Univ, Dept Internal Med & Therapeut, Fac Hlth Sci, Eastern Cape, South Africa
[23] Univ Alberta, Dept Med, Edmonton, AB, Canada
[24] CARE Arthrit, Edmonton, AB, Canada
[25] Leeds Teaching Hosp Trust, NIHR Leeds BRC, Leeds, England
[26] Christian Med Coll & Hosp, Vellore, Tamil Nadu, India
[27] Providence St Joseph Hlth, Swedish Med Ctr, Seattle, WA USA
[28] Univ Washington, Sch Med, Seattle, WA USA
[29] Griffith Univ, Sch Med, Sunshine Coast, Qld, Australia
[30] Univ Copenhagen, Dept Clin Med, Glostrup, Denmark
[31] Copenhagen Ctr Arthrit Res, Ctr Rheumatol, Glostrup, Denmark
[32] Free Univ Berlin, Berlin, Germany
[33] Humboldt Univ, Berlin, Germany
[34] Western Univ, London, ON, Canada
[35] Spital Clin Boli Infect Cluj Napoca, Cluj Napoca, Romania
[36] Hosp Italiano Buenos Aires, Buenos Aires, Argentina
[37] Chinese Univ Hong Kong, Hong Kong, Peoples R China
[38] Chung Shan Med Univ Hosp, Taichung, Taiwan
[39] China Med Univ, Taichung, Taiwan
[40] St Joseph Univ, Beirut, Lebanon
[41] Univ Toronto, Toronto Western Hosp, Toronto, ON, Canada