1. Division of Endocrinology and Metabolism; Department of Internal Medicine; Taichung Hospital; Department of Health; Executive Yuan; Taichung Taiwan
2. Division of Endocrinology and Metabolism; Department of Internal Medicine; Taichung Veterans General Hospital; Taichung Taiwan
3. School of Medicine; National Yang-Ming University; Taipei Taiwan
4. School of Medicine; National Defense Medical Center; Taipei Taiwan