1. Division of Endocrinology and Metabolism; Department of Internal Medicine; Taichung Veterans General Hospital; Taichung Taiwan
2. School of Medicine; National Yang Ming University; Taipei Taiwan
3. Department of Internal Medicine; Taichung Veterans General Hospital; Taichung Taiwan
4. College of Medicine; Chung Shan Medical University; Taichung Taiwan
5. Institute of Medical Technology; National Chung Hsing University; Taichung Taiwan
6. Department of Obsterics and Gynecology; Taichung Veterans General Hospital; Taichung Taiwan
7. Hung-Kuang University; Taichung Taiwan