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Authors
Okura, Hiroyuki
Nakada, Yasuki
Ishihara, Satomi
Nogi, Maki
Onoue, Kenji
Soeda, Tsunenari
Okayama, Satoshi
Watanabe, Makoto
Kawakami, Rika
Saito, Yoshihiko
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Article History
Received: 31 July 2019
Revised: 25 November 2019
Accepted: 7 December 2019
First Online: 13 December 2019
Compliance with ethical standards
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: Hiroyuki Okura, Yasuki Nakada, Satomi Ishihara, Maki Nogi, Kenji Onoue, Tsunenari Soeda, Satoshi Okayama, Makoto Watanabe, Rika Kawakami, and Yoshihiko Saito declare that they have no conflict of interest.
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later revisions.
: Because this study was carried out by the opt-out method of our hospital website (ExternalRef removed), informed consent was not directly obtained from all patients for being included in this study.
