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Authors
Kikuchi, Yuka
Miyamori, Daisuke
Kanno, Keishi https://orcid.org/0000-0002-3133-7154
Tazuma, Susumu
Kimura, Hiroaki
Yoshimura, Kenichi
Serikawa, Masahiro
Chayama, Kazuaki
Ito, Masanori
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Article History
Received: 11 October 2021
Accepted: 11 April 2022
First Online: 7 May 2022
Declarations
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: The authors declare no conflicts of interest.
: The study was approved by the Hiroshima University Ethical Review Board for Epidemiological Studies (approval number: E-2330). Regarding informed consent, the patients’ right to opt-out was published on Hiroshima University’s website to offer the patients an opportunity to reject the offer to participate in the study. As already existing documents, such as medical records, were used in this research study, the study posed no physical danger or burden on the participants; nonetheless, the data were anonymized before analysis, the correspondence table was stored with password protection in a personal computer without outside connection, and personal information was carefully handled.
