1. Division of Endocrinology and Metabolism, Department of Internal Medicine Catholic Kwandong University College of Medicine, International St. Mary's Hospital Incheon Korea
2. Division of Endocrinology and Metabolism, Department of Internal Medicine Konkuk University School of Medicine Seoul Korea
3. Division of Endocrinology and Metabolism, Department of Internal Medicine Yonsei University College of Medicine Seoul Korea
4. Division of Endocrinology Hanyang University Myongji Hospital Goyang Korea
5. Division of Endocrinology and Metabolism, Department of Internal Medicine Kyung Hee University College of Medicine, Kyung Hee University Hospital at Gangdong Seoul Korea
6. Department of Internal Medicine Chungnam National University School of Medicine Daejeon Korea
7. Division of Cardiology, Department of Internal Medicine, College of Medicine Hanyang University Seoul Republic of Korea
8. Division of Endocrinology and Metabolism, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine The Catholic University of Korea Seoul Republic of Korea
9. Division of Endocrinology & Metabolism, Department of Internal Medicine Seoul National University College of Medicine & Seoul National University Bundang Hospital Seoul Korea
10. Department of Endocrinology and Metabolism Ajou University School of Medicine Suwon Korea