[1] Providence St Joseph Hlth, Rheumatol, Swedish Med Ctr, Seattle, WA USA
[2] AbbVie Inc, Immunol, N Chicago, IL USA
[3] Papp Clin Res & Prob Med Res, Dermatol, Waterloo, ON, Canada
[4] Ghent Uni, VIB Ctr Inflammat Res, Internal Med & Pediat, Ghent, Belgium
[5] Natl Hosp Org, Osaka Minami Med Ctr, Orthopaed Rheumatol, Osaka, Japan
[6] Pontif Catholic Univ, Sch Med, Rheumatol, Porto Alegre, RS, Brazil
[7] Royal Natl Hosp Rheumat Dis, Rheumatol, Bath, Avon, England