1. Department of Medical Informatics, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
2. Graduate School of Healthcare Management and Policy, Catholic University of Korea, Seoul, Republic of Korea.
3. Department of Endocrinology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
4. The Catholic Institute of Ubiquitous Health Care, Catholic University of Korea, Seoul, Korea.
5. Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun, China.