Affiliation: | 1. Department of Infectious and Tropical Diseases, The Second Affiliated Hospital of Hainan Medical University, Haikou, China;2. Department of Infectious Diseases, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China;1. School of Clinical Medicine, Jining Medical University, Jining, Shandong, China;2. Department of Gastrointestinal Surgery, Jining No.1 People''s Hospital, Jining, Shandong, China;1. Department of Gastroenterology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China;2. Department of Pathology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China;1. Department of Gastroenterology, The First Affiliated Hospital of Zhejiang University, Hangzhou, China;2. College of Medicine, Zhejiang University, Hangzhou, China;3. Department of Pathology, The First Affiliated Hospital of Zhejiang University, Hangzhou, China |