1. Seoul National University College of Medicine and Hospital, Seoul, Republic of Korea
2. Gachon University Gil Medical Center, Incheon, Republic of Korea
3. Chungbuk National University College of Medicine and Hospital, Cheongju, Republic of Korea
4. Jeonbuk National University College of Medicine and Hospital, Jeonbuk, Republic of Korea
5. University of Toronto, Toronto, Ontario, Canada
6. Division of Rheumatology, Department of Medicine 3, Medical University of Vienna, Vienna, Austria
7. Celltrion, Inc., Incheon, Republic of Korea
8. Charité – Universitätsmedizin Berlin, Berlin, Germany