Affiliation: | 1. Department of Gastroenterology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China;2. Department of Dermatology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China;3. State Key Laboratory of Cancer Biology and Department of Biochemistry and Molecular Biology, Fourth Military Medical University, Xi'an, Shaanxi, China;4. Information Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China;5. Department of Pathology, Tangdu Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China;6. Department of Gastrointestinal Surgery, Xijing Hospital of Digestive Diseases, The Fourth Military Medical University, Xi'an, China |