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Authors
Iijima, Yoshihito https://orcid.org/0000-0003-0546-0236
Ishikawa, Masahito
Iwai, Shun
Yamagata, Aika
Motono, Nozomu
Uramoto, Hidetaka
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Article History
Received: 5 December 2021
Revised: 2 February 2022
Accepted: 3 February 2022
First Online: 14 February 2022
Declarations
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: All the procedures performed in this study were in accordance with the ethical standards of the institutional ethics committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The institutional ethics committee permitted access to and use of patient data for the purpose of this study in April 2020 (approval numbers: I160 and I449).
: Informed consent was obtained from all patients preoperatively, including consent for later access to their clinical records.
: The authors declare no competing interests.
