^○Yota Kawasaki, Kosei Maemura, Hiroshi Kurahara, Yuko Mataki, Kiyonori Tanoue, motoyuki Hashiguchi, Satoshi Iino, Masahiko Sakoda, Shinichi Ueno, Hiroyuki Shinchi, Shoji Natsugoe (Department of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical Sciences, Kagoshima University, Japan)

^○Kiyotsugu Iede, Akimasa Nakao, Kenji Oshima (Department of Surgery, Nagoya Central Hospital, Nagoya, Japan)

^○Yoshihiro Ono, Yosuke Inoue, Yu Takahashi, Yoshihiro Mise, Takeaki Ishizawa, Atsushi Oba, Shoichi Irie, Yuichi Nakaseko, Takafumi Sato, Hiromichi Ito, Akio Saiura (Departments of 1Gastroenterological Surgery, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan)

^○Takuro Fushimi, Yuzo Umeda, Ryuichi Yoshida, Daisuke Nobeoka, Takashi Kuise, Kazuhiro Yoshida, Kazuya Yasui, Daisuke Konishi, Hiroki Okabayashi, Takahito Yagi, Toshiyoshi Fujiwara (Department of Hepatobiliary Pancreatic Surgery, Okayama University Hospital, Okayama, Japan)

^○Kimitaka Tanaka, Elena Rangelova, Asif Halimi, Zeeshan Ateeb, Chiara Scandavini, Roberto Valente, Lars Lundell, Ralf Segersvärd, Unrban Arnelo, Marco Del Chiaro (Department for Upper GI Cancer, Pancreatic Unit, Karolinska University Hospital and Division of Surgery, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet)

^○Kimitaka Tanaka, Robin Kivila, Roberto Valente, Elena Rangelova, Asif Halimi, Zeeshan Ateeb, Chiara Scandavini, Ralf Segersvard, Urban Arnelo, Marco Del Chiaro (Department for Upper GI Cancer, Pancreatic Unit, Karolinska University Hospital and Division of Surgery, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet)