^○Akimasa Nakao (Department of Surgery, Nagoya Central Hospital)

^○Yutaka Suzuki, Masanori Sugiyama (Department of Surgery, Kyorin University School of Medicine)

^○Toru Nakamura, Satoshi Hirano, Asano Toshimichi, Keisuke Okamura, Takahiro Tsuchikawa, Soichi Murakami, Yuma Ebihara, Yo Kurashima, Takehiro Noji, Yoshitugu Nakanishi, Kimitaka Tanaka, Toshiaki Shichinohe (Department of Gastroenterological Surgery II, Hokkaido University Graduate School of Medicine, Sapporo, Japan)

^○Akihiro Tanemura, Aoi Hayasaki, Takehiro Fujii, Yusuke Iizawa, Hiroyuki Kato, Yasuhiro Murata, Naohisa Kuriyama, Yoshinori Azumi, Masashi Kishiwada, Shugo Mizuno, Masanobu Usui, Hiroyuki Sakurai, Shuji Isaji (Department of Hepatobiliary Pancreatic and Transplant Surgery, Mie University Graduate School of Medicine)

^○Marco Del Chiaro (Pancreatic Surgery Unit (CLINTEC), Karolinska Institute, Stockholm, Sweden)