Chia-Yuan Liu 1, Peng-Jen Chen 2, Chien-Chuan Chen 3, Ching-Tai Lee 4, I-Lin Lee 5, Wen-Hung Hsu 6, Khean-Lee Goh 7, Hsiu-Po Wang 8
1 Division of Gastroenterology, Department of Internal Medicine, Mackay Memorial Hospital, Taipei, Taiwan
2 Division of Gastroenterology, Tri-Service General Hospital, National Defense Medical Center,, Taipei, Taiwan
3 Departments of Internal Medicine,, National Taiwan University Hospital, College of Medicine, National Taiwan University,, Taipei, Taiwan
4 Internal Medicine, E-Da Hospital and I-Shou University, Kaohsiung, Taiwan
5 Section of Gastroenterology, Department of Internal Medicine, Shuan-Ho Hospital, Taipei Medical University, Taipei, Taiwan
6 Departments of Internal Medicine,, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung, Taiwan
7 Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
8 Endoscopic Division, National Taiwan University Hospital, College of Medicine, National Taiwan University,, Taipei, Taiwan