1. Division of Gastroenterology and Hepatology, Department of Internal Medicine E‐DA Hospital/I‐shou University Kaohsiung Taiwan
2. Division of Gastroenterology and Hepatology, Department of Internal Medicine E‐DA Dachang Hospital Kaohsiung Taiwan
3. Department of Medical Technology College of Medicine, I‐Shou University Kaohsiung Taiwan
4. School of Medicine, College of Medicine, I‐Shou University Kaohsiung Taiwan