Affiliation: | 1. Division of Digestive and General Surgery, Niigata University Graduate School of Medical and Dental Sciences, , Niigata, Japan;2. Division of Pediatric Surgery, Niigata University Graduate School of Medical and Dental Sciences, , Niigata, Japan;3. Division of Gastroenterology and Hepatology, Niigata University Graduate School of Medical and Dental Sciences, , Niigata, Japan;4. Division of Molecular and Diagnostic Pathology, Niigata University Graduate School of Medical and Dental Sciences, , Niigata, Japan |