1. School of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
2. Department of Medicine, Division of Nephrology, Chung Shan Medical University Hospital, Taichung 402, Taiwan
3. Department of Health Diet and Industry Management, Chung Shan Medical University, Taichung 402, Taiwan
4. Department of Nutrition, Chung Shan Medical University, Taichung 402, Taiwan
5. Department of Nutrition, Chung Shan Medical University Hospital, Taichung 402, Taiwan
6. Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
7. Department of Internal Medicine, Chung Shan Medical University Hospital, Taichung 402, Taiwan
8. Department of Medical Research, Chung Shan Medical University Hospital, Taichung, 402, Taiwan