6 Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan. [email protected].
7 Department of Surgical Oncology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.
8 Department of Gastroenterological and Pediatric Surgery, Faculty of Medicine, Oita University, Oita, Japan.
9 Department of Breast Surgery, Kyorin University School of Medicine, Tokyo, Japan.
10 Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Osaka, Japan.
11 Division of Surgical Oncology, Nagoya University Graduate School of Medicine, Aichi, Japan.
12 Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan.
13 Department of Pediatric Surgery, Osaka University Graduate School of Medicine, Osaka, Japan.
14 Division of Gastrointestinal Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Hyogo, Japan.
15 Department of Thoracic Surgery, Hokkaido University Graduate School of Medicine, Hokkaido, Japan.
16 Department of Surgery, Tohoku University Graduate School of Medicine, Miyagi, Japan.
17 Division of Cardiovascular Surgery, Tohoku University Graduate School of Medicine, Miyagi, Japan.
18 Department of Surgery, Yokohama City University Graduate School of Medicine, Kanagawa, Japan.
19 Department of Cardiovascular Surgery, Keio University School of Medicine, Tokyo, Japan.
20 Department of Cardiovascular Surgery, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan.
21 Department of Pediatric Surgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
22 Department of Breast and Endocrine Surgery, Jikei University School of Medicine, Tokyo, Japan.
23 Division of Hepato-Biliary-Pancreatic Surgery and Transplantation, Department of Surgery, Kyoto University Graduate School of Medicine, Kyoto, Japan.
24 Institute of Medicine, Breast and Endocrine Surgery, University of Tsukuba, Ibaraki, Japan.
25 Division of Pediatric Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Hyogo, Japan.
26 Department of Colorectal Surgery, Dokkyo Medical University, Tochigi, Japan.
27 Department of Cardiovascular Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
28 Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, Osaka, Japan.
29 University of Hawai'i Cancer Center, Honolulu, USA.
30 International University of Health and Welfare Narita Hospital, Chiba, Japan.
31 The Chemo-Sero-Therapeutic Research Institute, Kumamoto, Japan.
32 Department of Frontier Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan.
33 Hepato-Biliary-Pancreatic Surgery Division, Department of Surgery, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.
34 Department of Gastroenterological Surgery I, Hokkaido University Graduate School of Medicine, Hokkaido, Japan.