Arthritis, Rheumatoid

• Elbe Kliniken Buxtehude — Buxtehude, Germany

• Clinical Rheumatology Research Center (CRRC), Department of Rheumatology, Sahlgrenska University Hospital — Gothenburg, Sweden

• Department of Rheumatology, Aarhus University Hospital — Aarhus, Denmark

• Ain Shams University — Cairo, Abbasia, Egypt

• Boston Children's Hospital — Boston, Massachusetts, United States

• University of Oklahoma Health Campus — Oklahoma City, Oklahoma, United States

• Tufts Medical Center — Boston, Massachusetts, United States

• Local Institution - 0068 — La Jolla, California, United States
• Local Institution - 0070 — Loma Linda, California, United States
• Local Institution - 0069 — Palo Alto, California, United States
• Local Institution - 0050 — Aurora, Colorado, United States

Not specified

• Centre Jean Perrin — Clermont-Ferrand, PUY DE DOME, France
• Chu Clermont Ferrand — Clermont-Ferrand, France