1. Division of Endocrinology and Metabolism, Department of Internal Medicine; Taichung Veterans General Hospital; Taichung Taiwan
2. Institute of Clinical Medicine, School of Medicine; National Yang-Ming University; Taipei Taiwan
3. Department of Medical Research; Taichung Veterans General Hospital; Taichung Taiwan
4. Department of Medicine, School of Medicine; National Yang-Ming University; Taipei Taiwan
5. Department of Medicine, School of Medicine; Chung Shan Medical University; Taichung Taiwan
6. Cardiovascular Center; Taichung Veterans General Hospital; Taichung Taiwan
7. Department of Medical Research; Taipei Veterans General Hospital; Taipei Taiwan
8. Taipei Medical University; Taipei Taiwan
9. Healthcare and Services Center; Taipei Veterans General Hospital; Taipei Taiwan
10. Institute of Medical Technology, College of Life Science; National Chung-Hsing University; Taichung Taiwan
11. School of Medicine; National Defense Medical Center; Taipei Taiwan