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Authors
Nakano, Yutaka https://orcid.org/0000-0003-3228-3474
Hirata, Yuki
Shimogawara, Tatsuya
Yamada, Toru
Mihara, Koki
Nishiyama, Ryo
Nishiya, Shin
Taniguchi, Hideki
Egawa, Tomohisa
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Article History
Received: 9 May 2020
Accepted: 24 July 2020
First Online: 3 August 2020
Ethics approval and consent to participate
: We conducted a retrospective observational study and used the “opt-out” method as a way to obtain informed content from patients. The study was approved by the Human Experimentation Committee of our institution (ethical approval number: 20190032).
: We have obtained the consent for publication from all patients.
: The authors declare that they have no competing interests.
