1. Department of Gastroenterology and Hepatology, Chang Gung Memorial Hospital, Linkou Branch, Taoyuan, Taiwan
2. Taiwan Association of the Study of Small Intestinal Disease
3. Department of Medical Imaging and Interventions, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
4. Department of Gastroenterology and Hepatology, New Taipei City Municipal Tucheng Hospital