[1] Univ Toronto, Womens Coll Hosp, Toronto, ON, Canada
[2] Dept Med, Toronto, ON, Canada
[3] IRCCS Ist Clin Humanitas, Rozzano, Italy
[4] Providence St Joseph, Swedish Med Ctr, Seattle, WA USA
[5] Univ Washington, Sch Med, Seattle, WA USA
[6] Univ Penn, Perelman Sch Med, Dept Med, Philadelphia, PA USA
[7] Nantel MedSci Consult, Montreal, PQ, Canada
[8] Janssen Cilag Global Med Affairs, Immunol Global Med Affairs, Issy Les Moulineaux, France
[9] Middle East FZ LLC, Johnson & Johnson, Dubai, U Arab Emirates
[10] Janssen Res Dev LLC, Titusville, NJ USA
[11] McGill Univ, Dept Pediat Sci Affairs, JSS Med Res Inc, Montreal, PQ, Canada
[12] Leiden Univ, Med Ctr, Leiden, Netherlands
[13] Univ Oxford, Nuffield Dept Orthopaed Rheumatol & Musculoskelet, Oxford, England