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Authors
Nagayama, Daiji https://orcid.org/0000-0001-6119-8012
Fujishiro, Kentaro
Tsuda, Shinichi
Watanabe, Yasuhiro
Yamaguchi, Takashi
Suzuki, Kenji
Saiki, Atsuhito https://orcid.org/0000-0003-4009-9386
Shirai, Kohji
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Article History
Received: 25 August 2021
Revised: 2 November 2021
Accepted: 12 November 2021
First Online: 25 November 2021
Competing interests
: The authors declare no competing interests.
: The protocol of the study was prepared in accordance with the Declaration of Helsinki, and this study was approved by the Institutional Review Board and Ethics Committee of Sakura Hospital, School of Medicine, Toho University (No. S20091). Written informed consent for the examinations was obtained from the participants, and informed consent to participate in this study was obtained by opt out method.
