Affiliation: | 1. Department of Gastroenterology, The First Affiliated Hospital of Nanchang University, Nanchang, China;2. Department of Gastroenterology, The First Affiliated Hospital of Nanchang University, Nanchang, China The First Clinical Medical School, Nanchang University, Nanchang, China;3. Department of Drug Safety Evaluation, Jiangxi Testing Center of Medical Device, Nanchang, China |