| Affiliation: | (1) Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, People’s Republic of China;(2) Department of Gastroenterology, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, People’s Republic of China;(3) Department of Gastroenterology, The General Hospital of Tianjin Medical University, Tianjin, 300052, People’s Republic of China;(4) Department of Gastroenterology, The First Affiliated Hospital of Inner Mongolia Medical Collage, Hohhot, 100050, Inner Mongolia, People’s Republic of China;(5) Department of Gastroenterology, The Second Affiliated Hospital of Zhejiang University, Hangzhou, 310009, Zhejiiang, People’s Republic of China; |
