Affiliation: | 1. Department of Gastroenterology, Shanghai Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China;2. Department of Clinical Research Center, People's Hospital of Xuyi, Jiangsu Province, China;3. Division of Pediatric Surgery, Department of General Surgery, Huai'an Second People's Hospital and The Affiliated Huai'an Hospital of Xuzhou Medical University, Jiangsu, China |