1. Division of Endocrinology and Metabolism, Department of Internal Medicine, Kyung Hee University Hospital, Seoul, Korea.
2. Department of Orthopedic Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea.
3. Division of Endocrinology and Metabolism, Department of Internal Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea.
4. Division of Rheumatology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea.
5. Division of Endocrinology, Department of Internal Medicine, Wonkwang University Sanbon Hospital, Wonkwang University School of Medicine, Gunpo, Korea.
6. Division of Rheumatology, Department of Internal Medicine, Soonchunhyang University Hospital, Bucheon, Korea.
7. Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
8. Department of Rheumatology, Chonnam National University Medical School and Hospital, Gwangju, Korea.
9. Division of Healthcare Technology Assessment Research, National Evidence-Based Healthcare Collaborating Agency, Seoul, Korea.
10. Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, Korea.
11. Division of Endocrinology and Metabolism, Department of Internal Medicine, Seoul National University College of Medicine, Boramae Medical Center, Seoul, Korea.