1. Department of Gastroenterology and Metabolism; Applied Life Science; Institute of Biomedical and Health Science; Hiroshima University; Hiroshima Japan
2. Department of Radiation Oncology; Graduate School of Biomedical Sciences; Hiroshima University; Hiroshima Japan
3. Department of Diagnostic Radiology; Graduate School of Biomedical Sciences; Hiroshima University; Hiroshima Japan