1. Division of Rheumatology, Department of Internal Medicine, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, Korea
2. Division of Rheumatology, Department of Internal Medicine, Keimyung University Dongsan Hospital, Daegu, Korea
3. Division of Rheumatology, Department of Internal Medicine, Inje University Busan Paik Hospital, Busan, Korea
4. Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, Korea
5. Division of Rheumatology, Department of Internal Medicine, Daegu Catholic University School of Medicine, Daegu, Korea
6. Department of Internal Medicine and Institute of Health Science, Gyeongsang National University School of Medicine and Hospital, Jinju, Korea
7. Department of Internal Medicine, Eulji University College of Medicine, Seoul, Korea
8. Division of Rheumatology, Department of Internal Medicine, Hanyang University Guri Hospital, Guri, Korea
9. Division of Rheumatology, Department of Internal Medicine, Konkuk University Medical Center, Seoul, Korea
10. Medical Department, MSL, Eisai Korea Inc., Seoul, Korea