[1] Altoona Ctr Clin Res, Altoona Arthrit Osteoporosis Ctr, Duncansville, PA USA
[2] Aurora Rheumatol & Immunotherapy Ctr, Dept Rheumatol, Franklin, WI USA
[3] Quantum Res, Med, Las Lagos, Chile
[4] Ctr Rheumatol & Bone Res, Rheumatol, Wheaton, MD USA
[5] George Washington Univ, Rheumatol, Washington, DC USA
[6] Queen Elizabeth Hosp, Dept Rheumatol, Woodville, SA, Australia
[7] Basil Hetzel Inst, Rheumatol Res Grp, Woodville, SA, Australia
[8] Univ Adelaide, Adelaide Med Sch, Rheumatol, Adelaide, SA, Australia
[9] AbbVie Inc, Immunol, N Chicago, IL USA
[10] UCLouvain St Luc, Inst Rech Experimentale & Clin Univ St Luc, Brussels, Belgium