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Authors
Endo, Shunji http://orcid.org/0000-0003-0720-4156
Yamatsuji, Tomoki
Fujiwara, Yoshinori
Higashida, Masaharu
Kubota, Hisako
Matsumoto, Hideo
Tanaka, Hironori
Okada, Toshimasa
Yoshimatsu, Kazuhiko
Sugimoto, Ken
Ueno, Tomio
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Funding
Funding for this research was provided by:
Kawasaki Medical School
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Article History
Received: 27 August 2021
Accepted: 13 December 2021
First Online: 7 January 2022
Declarations
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: The protocol for this research project was approved by the institutional review board of Kawasaki Medical School (approval number 5083-01) and conformed to the 1964 Helsinki Declaration and its later amendments or with comparable ethical standards. Written informed consent for surgery was obtained from patients as required by participating institutions. We used an opt-out recruitment strategy because the study exclusively analyzed retrospective clinical data without investigation by investigators.
: No applicable.
: The authors declare that they have no conflict of interest to disclose.
