Affiliation: | 1. Loma Linda University Global Health Institute, , Loma Linda, CA, USA;2. Sir Run Run Shaw Hospital, Zhejiang University, , Hangzhou, China;3. Division of Gastroenterology, Loma Linda University Medical Center, , Loma Linda, CA, USA;4. Section of Digestive Diseases, Yale University School of Medicine, , New Haven, CT, USA;5. VA Connecticut Healthcare System, , West Haven, CT, USA |