Horiguchi, Akio https://orcid.org/0000-0002-7678-6375
Edo, Hiromi
Shinchi, Masayuki
Ojima, Kenichiro
Hirano, Yusuke
Ito, Keiichi
Azuma, Ryuichi
Shinmoto, Hiroshi
Article History
Received: 20 July 2021
Accepted: 11 September 2021
First Online: 21 September 2021
Declarations
:
: The authors have no conflicts of interest to declare.
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional ethics committee and with the 1964 Helsinki declaration and its later amendments. This study was approved by our institutional ethics committee (approval number 4154).
: As this was a retrospective study, formal consent was not required.
: Not applicable.