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Authors
Tezuka, Kenji https://orcid.org/0000-0001-5763-4539
Miura, Kotaro
Nakano, Yusuke
Ueda, Takahiro
Yagyu, Kyoko
Matsuyama, Shimako
Shirai, Masami
Okuda, Hiroshi
Ujikawa, Miho
Ota, Takayo https://orcid.org/0000-0003-1630-8301
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Article History
Received: 21 February 2021
Accepted: 4 June 2021
First Online: 11 June 2021
Declarations
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: This study was retrospective. Patients were not required to give their informed consent for the study. We used an opt-out method to obtain consent for the study using a website (). The research protocol and the website were approved by the Institutional Review Board.
: Not applicable.
: The authors declare that they have no competing interests.
