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Authors
Nakamura, Fumihiko
Kuribayashi, Shiko
Tanaka, Fumio
Kawami, Noriyuki
Fujiwara, Yasuhiro
Iwakiri, Katsuhiko
Kusano, Motoyasu
Uraoka, Toshio
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Article History
Received: 4 November 2020
Accepted: 4 February 2021
First Online: 18 February 2021
Ethics approval and consent to participate
: All patients gave written informed consent for this study, which was performed in accordance with the World Medical Association Declaration of Helsinki. The study protocol was approved by the Institutional Review Board at Gunma University Hospital (Reference Number: 1624; March 29, 2018), Kohseichuo General Hospital (Reference Number: 2018-3; November 28, 2018) and Osaka City University Graduate School of Medicine (Reference Number: 4140; September 27, 2018).
: Not applicable.
: The authors declare that they have no competing interests.
