1 Division of Gastroenterology and Hepatology, Department of Internal Medicine, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi, Taiwan.
2 Department of Internal Medicine, E-Da Hospital and I-Shou University, Kaohsiung, Taiwan.
3 Gastroenterology and Hepatology Section, Department of Internal Medicine, An Nan Hospital, China Medical University, Tainan, Taiwan.
4 Department of Medical Sciences Industry, Chang Jung Christian University, Tainan, Taiwan.
5 Division of Colorectal Surgery, Kaohsiung Veteran General Hospital, Kaohsiung, Taiwan.
6 School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.
7 Clinical Trial Center, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi, Taiwan.
8 Obesity Center, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi, Taiwan.