Kudo, Hitoshi https://orcid.org/0000-0003-2118-1499
Wada, Kanichiro https://orcid.org/0000-0002-1112-5656
Kumagai, Gentaro https://orcid.org/0000-0003-0597-6603
Tanaka, Sunao https://orcid.org/0000-0002-8525-6448
Asari, Toru https://orcid.org/0000-0002-4767-8519
Ishibashi, Yasuyuki https://orcid.org/0000-0003-2180-7922
Article History
Received: 9 August 2020
Accepted: 3 October 2020
First Online: 14 October 2020
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest.
: This study was approved by the ethics committee of Hirosaki University.
: All participants provided written informed consent before surgery.
: Not applicable.