1. Department of Internal Medicine, Wonkwang University Hospital, Iksan, Korea
2. Department of Internal Medicine, Hanyang University Guri Hospital, Hanyang University School of Medicine, Guri, Korea
3. Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, Korea
4. Department of Internal Medicine, Pohang St. Mary’s Hospital, Pohang, Korea
5. Department of Internal Medicine, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon, Korea
6. Department of Internal Medicine, Eulji University Hospital, Eulji University School of Medicine, Daejeon, Korea
7. Department of Internal Medicine, Seoul Medical Center, Seoul, Korea
8. Department of Rheumatology, Ajou University School of Medicine, Suwon, Korea
9. Department of Internal Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea
10. AbbVie Ltd, Seoul, Korea
11. Department of Internal Medicine, Jeonbuk National University Medical School, Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical, Research Institute of Jeonbuk National University Hospital, Jeonju, Korea