1. Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70403, Taiwan
2. Department of Family Medicine, An Nan Hospital, China Medical University, Tainan 70965, Taiwan
3. School of Medicine, College of Medicine, China Medical University, Taichung 40402, Taiwan
4. Department of Internal Medicine, School of Medicine, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
5. Graduated Institute of Metabolism and Obesity Science, College of Nutrition, Taipei Medical University, Taipei City 11031, Taiwan
6. Department of Family Medicine, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi City 60002, Taiwan