1. Division of Nephrology, Department of Medicine, Wei Gong Memorial Hospital, Miaoli, Taiwan
2. School of Medicine and Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan
3. Division of Nephrology, Taipei City Hospital Heping Fuyou Branch, Taipei, Taiwan
4. School of Medicine, National Yang-Ming University, Taipei, Taiwan
5. Institute of Microbiology and Immunology and Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan
6. Department and Institute of Physiology, National Yang-Ming University, Taipei, Taiwan
7. Division of Nephrology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan