1. Division of Endocrinology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
2. Department of Statistics and Actuarial Science, Soongsil University, Seoul, Republic of Korea
3. Division of Endocrinology, Department of Internal Medicine, Keimyung University School of Medicine, Daegu, Republic of Korea
4. Institute of Endocrine Research, Yonsei University College of Medicine, Seoul, Republic of Korea
5. Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, The Catholic University, Seoul, Republic of Korea
6. Department of Systems Biology, Glycosylation Network Research Center, Yonsei University, Seoul, Republic of Korea