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Authors
Hasegawa, Hiroaki
Abe, Atsushi https://orcid.org/0000-0001-8215-2769
Hayashi, Hiroki
Furuta, Hiroshi
Ishihama, Takanori
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Article History
Received: 22 October 2020
Accepted: 3 March 2021
First Online: 16 March 2021
Declarations
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: All procedures were performed in accordance with the ethical standards of the institutional and/or national research committee and in line with the 1964 Declaration of Helsinki. The present retrospective cohort study was approved by the Nagoya Ekisaikai Hospital Institutional Review Board and the need for consent was waived by the Ethics committee (Approval Number 2019-018). The study was conducted in accordance with the Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) Statement guidelines for reporting observational studies. The ethics committee approved the procedure of this study and gave us administrative permissions to access the data used in this study.
: Not applicable.
: The authors declare that they have no competing interests.
