Affiliation: | 1. Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong SAR;2. Shivanand Desai Center for Digestive Disorders, Deenanath Mangeshkar Hospital and Research Center, Pune, India;3. Department of Gastroenterology, Asian Institute of Gastroenterology, Hyderabad, India;4. Department of Surgery, Rajavithi Hospital, Bangkok, Thailand;5. Division of Gastroenterology, Department of Medicine, King Chulalongkorn University, Bangkok, Thailand;6. Department of Internal Medicine, Soon Chun Hyang University College of Medicine, Bucheon Hospital, Bucheon/Seoul, Korea |