1. Division of Rheumatology, Department of Internal Medicine, Chungbuk National University Hospital, Cheongju, Korea
2. Division of Rheumatology, Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea
3. Division of Rheumatology, Department of Internal Medicine, Seoul Medical Center, Seoul, Korea
4. Division of Rheumatology, Department of Internal Medicine, Gyeongsang National University School of Medicine, Jinju, Korea
5. Daejeon Rheumatoid & Degenerative Arthritis Center, Chungnam National University Hospital, Daejeon, Korea
6. Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
7. Division of Rheumatology, Department of Internal Medicine, Seoul Metropolitan Government-Seoul National University Boramae Medical Center, Seoul, Korea
8. Division of Infectious Diseases, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
9. Division of Rheumatology, Department of Internal Medicine, Gachon University Gil Medical Center, Incheon, Korea
10. Medicine/Rheumatology, School of Medicine, Inha University, Incheon, Korea
11. Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Seoul, Korea
12. College of Medicine and Medical Research Information Center (MedRIC), Chungbuk National University, Cheongju, Korea
13. Division of Rheumatology, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
14. Department of Internal Medicine, College of Medicine, Seoul National University, Seoul, Korea