1. Division of Endocrinology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea.
2. Severance Executive Healthcare Clinic, Severance Hospital, Yonsei University Health System, Seoul, Korea.
3. Severance Check-up, Severance Hospital, Yonsei University Health System, Seoul, Korea.
4. Division of Endocrinology and Metabolism, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
5. Division of Endocrinology and Metabolism, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
6. Department of Endocrinology and Metabolism, Ajou University School of Medicine, Suwon, Korea.
7. Division of Endocrinology, Department of Internal Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea.
8. Division of Endocrinology and Metabolism, Department of Internal Medicine, Soonchunhyang University Seoul Hospital, Seoul, Korea.
9. Division of Endocrinology and Metabolism, Department of Internal Medicine, Pusan National University School of Medicine, Busan, Korea.
10. Division of Endocrinology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea.
11. Division of Rheumatology, Department of Internal Medicine, University of Ulsan College of Medicine, Gangneung Asan Hospital, Gangneung, Korea.
12. Department of Endocrinology and Metabolism, Eulji University College of Medicine, Seoul, Korea.
13. Division of Endocrinology, Department of Internal Medicine, Cheil General Hospital and Woman's Health Center, Kwandong University School of Medicine, Seoul, Korea.
14. Department of Obstetrics and Gynecology, Chung-Ang University College of Medicine, Seoul, Korea.
15. Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea.
16. Department of Internal Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea.
17. Division of Endocrinology and Metabolism, Department of Internal Medicine, Chonnam National University Medical School, Gwangju, Korea.
18. Division of Endocrinology and Metabolism, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Korea.
19. Division of Endocrinology and Metabolism, Department of Internal Medicine, Chonbuk National University Medical School, Jeonju, Korea.
20. Department of Orthopaedic Surgery, Yonsei University College of Medicine, Seoul, Korea.
21. MSD Korea Ltd., Global Medical Affairs, Seoul, Korea.