1. Division of Gastroenterology and Hepatology, Department of Internal Medicine Antai Medical Care Corporation, Antai Tian‐Sheng Memorial Hospital Pingtung Taiwan
2. Department of Nursing Meiho University Pingtung Taiwan
3. Division of Hepato‐Gastroenterology, Department of Internal Medicine Kaohsiung Chang Gung Memorial Hospital Kaohsiung Taiwan
4. Division of Gastroenterology, Department of Internal Medicine, An Nan Hospital China Medical University Tainan Taiwan
5. Division of Gastroenterology and Hepatology, Department of Internal Medicine Taipei Veterans General Hospital Taipei Taiwan
6. Division of Gastroenterology and Hepatology, Department of Internal Medicine Kaohsiung Veterans General Hospital Kaohsiung Taiwan
7. Division of Gastroenterology, Department of Internal Medicine, Kaohsiung Medical University Hospital and College of Medicine Kaohsiung Medical University Kaohsiung Taiwan