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Authors
Hirashita, Teijiro https://orcid.org/0000-0002-0252-0494
Iwashita, Yukio
Fujinaga, Atsuro
Nakanuma, Hiroaki
Tada, Kazuhiro
Masuda, Takashi
Endo, Yuichi
Ohta, Masayuki
Inomata, Masafumi
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Article History
Received: 1 August 2020
Accepted: 15 November 2020
First Online: 23 November 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Institutional review board approval (application no. 1447) was obtained before analysis of the data. Approval from the local ethics committee includes the usage and publication of those retrospectively analyzed data. Informed consent was obtained from all individual participants included in the study.
