[1] Ruhr Univ Bochum, Bochum, Germany
[2] Oregon Hlth & Sci Univ, Portland, OR 97201 USA
[3] Univ Fed Uberlandia, Serv Reumatol, Uberlandia, MG, Brazil
[4] Emergency Clin Cty Hosp, Rheumatol, Cluj Napoca, Romania
[5] Iuliu Hatieganu Univ Med & Pharm, Cluj Napoca, Romania
[6] Univ Campania Luigi Vanvitelli, Caserta, Italy
[7] AbbVie Inc, N Chicago, IL USA
[8] Monash Univ, Cabrini Hosp & Emeritus Res, Melbourne, Vic, Australia
[9] Univ Oxford, Oxford, England