[1] Pakistan Inst Med Sci, Dept Rheumatol, Islamabad, Pakistan
[2] Univ Oxford, Radcliffe Dept Med, Oxford, England
[3] Univ Manchester, Ctr Musculoskeletal Res, Manchester, Lancs, England
[4] Kyoto Univ, Grad Sch Med, Dept Rheumatol & Clin Immunol, Kyoto, Japan
[5] Colombian Rheumatol Assoc, Bogota, Colombia
[6] Fdn Univ Ciencias Salud FUCS, Fac Med, Dept Rheumatol, Bogota, Colombia
[7] Hosp Italiano Cordoba, Rheumatol Unit, Cordoba, Argentina
[8] Univ Cape Town, Dept Med, Cape Town, South Africa
[9] Queen Elizabeth, Rheumatol Unit, Adelaide, SA, Australia
[10] Univ Adelaide, Discipline Med, Adelaide, SA, Australia
[11] Christian Med Coll & Hosp, Dept Clin Immunol & Rheumatol, Vellore, India
[12] Univ Ghana, Korle Bu Teaching Hosp, Med Sch, Rheumatol Unit,Dept Med & Therapeut, Accra, Ghana
[13] St Lukes Med Ctr Global City, Dept Med, Sect Rheumatol, Taguig, Philippines
[14] Kings Coll London, Ctr Rheumat Dis, London, England
[15] Kings Coll Hosp London, Rheumatol Dept, London, England
[16] Mediclin Parkview Hosp, Dept Rheumatol, Dubai, U Arab Emirates
[17] Chinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Hong Kong, Peoples R China
[18] Dr Humeira Badsha Med Ctr, Dubai, U Arab Emirates
[19] Int Univ Rabat UIR, Hlth Sci Coll, Clin Epidemiol, Rabat, Morocco
[20] Prov Hosp Temara, Dept Rheumatol, Temara, Morocco
[21] Univ Penn, Philadelphia, PA USA
[22] Hosp Santa Casa Misericordia Juiz de Fora, Div Rheumatol, Juiz De Fora, Brazil
[23] Univ Brescia, Dept Clin & Expt Sci, Brescia, Italy
[24] ASST Spedali Civili Brescia, Unit Rheumatol & Clin Immunol, Brescia, Italy
[25] Santa Casa Misericordia Belo Horizonte, Belo Horizonte, Brazil
[26] Pontifica Univ Javeriana, Reference Ctr Osteoporosis Rheumatol & Dermatol, Cali, Colombia
[27] Complejo Asistencial Univ Leon, Dept Rheumatol, Leon, Spain
[28] Med Univ Innsbruck, Clin Div Internal Med 2, Internal Med, Innsbruck, Austria
[29] Mexican Coll Rheumatol, Res Unit, Coyoacan, Mexico
[30] St Josephs Univ, Hotel Dieu France Hosp, Rheumatol Dept, Beirut, Lebanon
[31] Hosp Clin Porto Alegre, Rheumatol Div, Porto Alegre, Brazil
[32] Green Life Ctr, Dhaka, Bangladesh
[33] Univ Hosp Fdn Santa Fe Bogota, Rheumatol Div, Bogota, Colombia
[34] Univ Bosque, Sch Med, Bogota, Colombia
[35] Univ Occupat & Environm Hlth, Sch Med, Dept Internal Med 1, Kitakyushu, Japan
[36] Sorbonne Univ, Pitie Salpetriere Hosp, AP HP, INSERM,iPLESP, Paris, France
[37] Sanjay Gandhi Postgrad Inst Med Sci, Dept Clin Immunol & Rheumatol, Lucknow, India
[38] Assoc Women Rheumatol, United Rheumatol, New York, NY USA
[39] Univ Oxford, Nuffield Dept Orthopaed Rheumatol & Musculoskeleta, Oxford, England
[40] Univ Manchester, Ctr Musculoskeletal Res, Sch Biol Sci, Div Musculoskeletal & Dermatol Sci, Manchester, England
[41] Royal Wolverhampton Hosp NHS Trust, Dept Rheumatol, Wolverhampton, England
[42] Sandwell & West Birmingham Hosp NHS Trust, City Hosp, Dept Rheumatol, Birmingham, England