Arthritis, Rheumatoid

• Research Site — Anniston, Alabama, United States
• Research Site — El Cajon, California, United States
• Research Site — La Mesa, California, United States
• Research Site — Lakewood, California, United States

• Tokyo, Japan

• Hopital Nord; Rhumatologie — Amiens, France
• Ch D Ardeche Meridionale; Medecine A2 — Aubenas, France
• Ch De Belfort; Rhumatologie — Belfort, France
• Institut Calot Helio Marin; Rhumatologie — Berck, France

• Istanbul Gelisim University — Istanbul, Istanbul/ Avcılar, Turkey (Türkiye)

• Kyung Hee University Hospital — Seoul, South Korea

• Chonbuk National University Hospital — Jeonju, South Korea

• Bestian Hospital — Osong, South Korea

• Duke University Medical Center — Durham, North Carolina, United States

• Academic Centre for General Practice — Leuven, Belgium

Not specified