1. Division of Endocrinology and Metabolism, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung
2. Department of Medical Research, Taichung Veterans General Hospital, Taichung
3. Department of Public Health, College of Public Health, China Medical University
4. School of Medicine, National Yang-Ming University, Taipei
5. Department of Life Science, Tunghai University, Taichung
6. Division of Nephrology, Department of Internal Medicine, Taiwan Taichung Veterans General Hospital, Taichung
7. Division of Nephrology, Department of Internal Medicine, Taiwan Taichung Veterans General Hospital, No.160, Sec. 3, Taiwan Boulevard, Taichung 407