Nunobe, Souya
Endo, Hideki
Honda, Michitaka
Watanabe, Masayuki
Yamamoto, Hiroyuki
Kanaji, Shingo
Kakeji, Yoshihiro
Kodera, Yasuhiro
Kitagawa, Yuko
Article History
Received: 23 October 2023
Accepted: 28 January 2024
First Online: 24 February 2024
Declarations
:
: Hideki Endo and Hiroyuki Yamamoto are affiliated with the Department of Healthcare Quality Assessment at the University of Tokyo. The department is a social collaboration department supported by the National Clinical Database, Johnson and Johnson K.K., and the Nipro Corporation. Author Yuko Kitagawa is the Editor of the Chief of Annals of Gastroenterological Surgery. Yoshihiro Kakeji and Yasuhiro Kodera are editorial board members of Annals of Gastroenterological Surgery. All other authors have no conflicts to disclose.
: The study was approved by the Institutional Review Board of the Cancer Institute Hospital (SRB No. 0910), and all study procedures were conducted in accordance with the ethical standards of the respective committees on human experimentation (institutional and national) and the 1964 Declaration of Helsinki and its later versions.