| Affiliation: | 1. Department of Clinical Etiology, Qiqihar Medical University, , Qiqihar, Heilongjiang Province, China;2. Department of Pathology, Harbin Medical University, , Harbin, Heilongjiang Province, China;3. Department of Gastrointestinal Medical Oncology, The Affiliated Tumor Hospital of Harbin Medical University, , Harbin, Heilongjiang, China;4. Department of Microbiology, Harbin Medical University, , Harbin, Heilongjiang Province, China;5. Center of Translational Medicine, Harbin Medical University, , Harbin, Heilongjiang Province, China |
