Affiliation: | 1. Department of Gastroenterology, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China;2. National Clinical Research Center for Child Health, Hangzhou, China;3. Department of Pathology, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China;1. Hulunbuir Clinical Medical College, Inner Mongolia University for Nationalities, Hailar District, Hulunbuir City, Inner Mongolia Autonomous Region, China;2. Department of Interventional Therapy, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Chaoyang District, Beijing, China |