1. Division of Endocrinology and Metabolism, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung, Taiwan, School of Medicine, Chung Shan Medical University, Taichung, Taiwan, School of Medicine, National Yang-Ming University, Taipei, Taiwan
2. Department of Medical Research, Taichung Veterans General Hospital, Taichung, Taiwan
3. Division of Endocrinology and Metabolism, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung, Taiwan, School of Medicine, Chung Shan Medical University, Taichung, Taiwan, School of Medicine, National Yang-Ming University, Taipei, Taiwan, Institute of Medical Technology, National Chung-Hsing University, Taichung, Taiwan,