1. Department of Internal Medicine National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University Tainan Taiwan
2. Department of Internal Medicine School of Medicine, College of Medicine, National Cheng Kung University Tainan Taiwan
3. Division of Endocrinology and Metabolism, Department of Internal Medicine Kaohsiung Veterans General Hospital Kaohsiung Taiwan
4. Department of Internal Medicine National Cheng Kung University Hospital Dou‐Liou Branch, College of Medicine, National Cheng Kung University Tainan Taiwan