1. School of Medicine for International Students, College of Medicine, I-Shou University , Kaohsiung 84001 , Taiwan
2. Division of Nephrology, Department of Internal Medicine, E-DA Hospital , Kaohsiung 84001 , Taiwan
3. Institute of Clinical Medicine, College of Medicine, National Cheng Kung University , Tainan 70403 , Taiwan
4. Department of Public Health, College of Medicine, National Cheng-Kung University , Tainan 70403 , Taiwan
5. Biostatistics Consulting Center, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University , Tainan 70403 , Taiwan
6. Department of Pediatrics, National Cheng Kung University Hospital , Tainan 70403 , Taiwan
7. Division of Endocrinology and Metabolism, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital , Kaohsiung 83301 , Taiwan
8. Jah's Surgical Center Department of Internal Medicine, , Kaohsiung 80753 , Taiwan
9. Division of Nephrology, Department of Internal Medicine, Hsin-Jen Hospital , New Taipei City 24243 , Taiwan