Sasaki, Akira
Tachimori, Hisateru
Akiyama, Yuji
Oshikiri, Taro
Miyata, Hiroaki
Kakeji, Yoshihiro
Kitagawa, Yuko
Funding for this research was provided by:
Japanese Society of Gastroenterological Surgery (APJ–2019–02)
Article History
Received: 1 March 2022
Accepted: 24 April 2022
First Online: 27 July 2022
Declarations
:
: Hiroaki Miyata is affiliated with the Department of Healthcare Quality Assessment at the University of Tokyo. The department is a social collaboration department supported by grants from the National Clinical Database, Johnson & Johnson K.K, and Nipro Co, but Dr Miyata has no conflicts of interest regarding this research. The other authors declare no conflicts of interest regarding this research.
: All study procedures were conducted in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Declaration of Helsinki of 1964 and later versions. Informed consent or its substitute was obtained from all patients for being included in the study. The protocol for this research project was approved by the Ethics Committee of Kobe University.