Baylor College of Medicine, City University of Hong Kong (CityU) - Jockey Club College of Veterinary Medicine and Life Sciences, Baylor College of Medicine, Baylor College of Medicine, Nagoya University - Graduate School of Medicine, Kumamoto University, Nagoya University Graduate School of Medicine - Department of Gastroenterological Surgery (Surgery II), City University of Hong Kong (CityU) - Department of Biomedical Sciences, Kumamoto University - Department of Gastroenterological Surgery and Baylor University - Center for Gastrointestinal Research