1. Division of Endocrinology and Metabolism, Department of Internal Medicine, Kuang Tien General Hospital, Taichung 433, Taiwan
2. Jenteh Junior College of Medicine, Nursing and Management, Miaoli 356, Taiwan
3. Division of Nephrology, Department of Internal Medicine, Dachien General Hospital, Miaoli 360, Taiwan
4. Division of Endocrinology and Metabolism, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung 407, Taiwan
5. Department of Medical Research, Kuang Tien General Hospital, Taichung 433, Taiwan
6. Department of Nursing, Kuang Tien General Hospital, Taichung 433, Taiwan
7. Management Office for Health Data, China Medical University Hospital, Taichung 404, Taiwan
8. School of Medicine, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
9. School of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
10. Department of Nutrition, Hungkuang University, Taichung 433, Taiwan