Safety assessment of robotic gastrectomy and analysis of surgical learning process: a multicenter cohort study

Norihiro Shimoike, Tatsuto Nishigori, Yoshito Yamashita, Masato Kondo, Dai Manaka, Yoshio Kadokawa, Atsushi Itami, Seiichiro Kanaya, Hisahiro Hosogi, Seiji Satoh, Hiroaki Hata, Takatsugu Kan, Hironori Kawada, Michihiro Yamamoto, Eiji Tanaka, Shigeru Tsunoda, Shigeo Hisamori, Koya Hida, Kentaro Ueno, Shiro Tanaka, Kazutaka Obama, on behalf of Kyoto Esophageal and Gastric Surgery Study Group