1. Task Force Team for Basic Statistical Study of Korean Diabetes Mellitus of Korean Diabetes Association, Korea.
2. Department of Research, Health Insurance Review Agency, Korea.
3. Department of Internal Medicine, College of Medicine, Eulji University, Korea.
4. Department of Internal Medicine, Pochon CHA University, Korea.
5. Department of Endocrinology, Gachon University of Science and Medicine, Gil Medical Center, Korea.
6. Department of Internal Medicine, Pusan Paik Hospital, Inje College of Medicine, Korea.
7. Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University, Korea.
8. Department of Internal Medicine, The Catholic University of Korea, Korea.
9. Department of Internal Medicine, Yonsei University College of Medicine, Korea.
10. Division of Endocrinology and Metabolism, Ewha Womans University College of Medicine, Korea.
11. Department of Biostatistics, College of Medicine, Korea University, Korea.
12. Department of Internal Medicine, Wonju College of Medicine, Yonsei University, Korea.
13. Department of Endocrinology and Metabolism, Ajou University School of Medicine, Korea.