1. Nowon Eulji Medical Center; Eulji University; Seoul Korea
2. Kyung Hee University Hospital; Seoul Korea
3. Yonsei University Wonju Severance Christian Hospital; Gangwon Korea
4. Seoul National University College of Medicine and Seoul National University Bundang Hospital; Seongnam Korea
5. Ajou University Hospital; Suwon-si Korea
6. Korea University Guro Hospital; Seoul Korea
7. Department of Endocrinology and Metabolism, Asan Medical Center; University of Ulsan College of Medicine; Seoul Korea
8. Department of Endocrinology and Metabolism; Hanyang University Hospital; Seoul Korea
9. Department of Internal Medicine; Seoul National University College of Medicine; Seoul Korea
10. Department of Endocrinology and Metabolism, Seoul St. Mary's Hospital; Catholic University Medical College; Seoul Korea
11. Department of Internal Medicine; Kyungpook National University Hospital; Daegu Korea
12. Department of Internal Medicine; Yonsei University Severance Hospital; Seoul Korea
13. Biostatistics Group, Japan-Asia Data Science, Development; Astellas Pharma Inc.; Tokyo Japan
14. Clinical Research Team, Development Department; Astellas Pharma Korea, Inc.; Seoul Korea
15. Department of Medicine, Samsung Medical Center; Sungkyunkwan University School of Medicine; Seoul Korea