Rheumatoid Arthritis

• The First Bethune Hospital of Jilin University — Changchun, Jilin, China

• Peking Union Medical College Hospital — Beijing, Beijing Municipality, China

• National Multiprofile Transport Hospital Tsar Boris III — Sofia, Bulgaria

• Nasz Lekarz Osrodek Badan Klinicznych — Bydgoszcz, Poland

• Brigham and Women's Hospital — Boston, Massachusetts, United States

• King Saud University — Riyadh, Saudi Arabia

• Brigham and Women's Hospital — Boston, Massachusetts, United States

• Johns Hopkins Arthritis Center, Johns Hopkins University — Baltimore, Maryland, United States
• Rheumatologist Hospital for Special Surgery — New York, United States
• Division of Rheumatology, Columbia University, College of Physicians and Surgeons — New York, United States
• Division of Allergy, Immunology and Rheumatology, University of Rochester — Rochester, New York, United States

• New York University School of Medicine — New York, United States

Not specified