Ozawa, Junichi
Tanaka, Kosuke
Kabe, Kazuhiko
Namba, Fumihiko https://orcid.org/0000-0001-6137-4477
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Article History
Received: 28 October 2020
Revised: 18 December 2020
Accepted: 25 December 2020
First Online: 27 January 2021
Competing interests
: The authors declare no competing interests.
: Patient consent was not required to this study, because it met the criteria that “the research involves no more than minimal risk to the subjects.”