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Authors
Kato, Shimpei
Amemiya, Shiori https://orcid.org/0000-0002-2132-1642
Takao, Hidemasa
Yamashita, Hiroshi
Sakamoto, Naoya
Abe, Osamu
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Article History
Received: 17 April 2021
Accepted: 30 May 2021
First Online: 10 June 2021
Declarations
:
: None to declare.
: All generating datasets and analysis 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.
: Informed consent was waived off due to the retrospective nature of the study.
