Kansai Medical University, Kurume University, University of Toyama, Nagoya University, Nagoya University, Kindai University, Hiroshima University, Kansai Medical University, Kansai Medical University, Kansai Medical University, University of Toyama, University of Toyama, University of Toyama - Department of Surgery and Science, Nagoya Central Hospital, Wakayama Medical University, Nagoya University, Nagoya University, Kindai University, Kindai University, Hiroshima University, Hiroshima University Graduate School of Biomedical and Health Sciences - Department of Surgery, Hokkaido University, Tokyo Medical University, Kyoto Prefectural University of Medicine - Department of Molecular-Targeting Prevention and Kansai Medical University