1. Graduate Institute of Basic Medical Science, China Medical University; Department of Health and Nutrition Biotechnology, Asia University, Taichung 404, Taiwan
2. Formosan Blood Purification Foundation, 50 Sec. 1, Bade Road, Taipei, Taiwan
3. School of Medicine, China Medical University, Taichung 404, Taiwan
4. Graduate Institute of Chinese Medical Science, China Medical University, Taichung 404, Taiwan
5. Department of Healthcare Administration, Asia University, Taichung 413, Taiwan
6. Department of Biomedical Engineering, Chung Yuan Christian University, 200 Chung Pei Road, Chung Li, Taiwan 32023