1. Department of Surgery Division of Hepato‐Biliary‐Pancreatic Surgery and Transplantation/Pediatric Surgery Kyoto University Graduate School of Medicine Kyoto Japan
2. Department of Diagnostic Pathology Kyoto University Hospital Kyoto Japan
3. Department of Hematology and Oncology Kyoto University Graduate School of Medicine KyotoJapan
4. Department of Pediatrics Kyoto University Graduate School of Medicine Kyoto Japan