1. Department of Internal Medicine, College of Medicine, National Taiwan University Hospital, Taipei, Taiwan
2. Department of Laboratory Medicine, College of Medicine, National Taiwan University Hospital, Taipei, Taiwan
3. Departments of Laboratory Medicine and Internal Medicine, China Medical University Hospital, Taichung, Taiwan
4. School of Medicine, China Medical University, Taichung, Taiwan
5. Ph.D. Program for Aging, College of Medicine, China Medical University, Taichung, Taiwan