Shinchi, Masayuki
Horiguch, Akio https://orcid.org/0000-0002-7678-6375
Ojima, Kenichiro
Kawamura, Kazuki
Hirano, Yusuke
Takahashi, Eiji
Kimura, Fumihiro
Azuma, Ryuichi
Ito, Keiichi
Article History
Received: 14 June 2021
Accepted: 22 July 2021
First Online: 30 July 2021
Declarations
:
: The authors have no conflicts of interest to declare that are relevant to the content of this article.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study was approved by our institutional ethical committee.
: For this type of study, formal consent is not required.