1. Division of Gastroenterology and Hepatology, Department of Internal Medicine, Shuang Ho Hospital Taipei Medical University New Taipei City Taiwan
2. Division of Gastroenterology and Hepatology, Department of Internal Medicine, School of Medicine College of Medicine, Taipei Medical University Taipei Taiwan
3. TMU Research Center for Digestive Medicine Taipei Medical University Taipei Taiwan
4. Department of Internal Medicine, Gastroenterology and Hepatology Section, An Nan Hospital China Medical University Tainan Taiwan
5. Department of Medical Sciences Industry Chang Jung Christian University Tainan Taiwan
6. Division of Colorectal Surgery Kaohsiung Veteran General Hospital Kaohsiung Taiwan
7. School of Medicine National Yang Ming Chiao Tung University Taipei Taiwan
8. Division of Gastroenterology and Hepatology, Department of Internal Medicine Ditmanson Medical Foundation Chia‐Yi Christian Hospital Chiayi Taiwan
9. Obesity Center, Ditmanson Medical Foundation Chia‐Yi Christian Hospital Chiayi Taiwan