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Authors
Zako, Masahiro
Gosho, Masahiko
Mizumoto, Kyoichi
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Article History
Received: 14 October 2019
Accepted: 13 March 2020
First Online: 21 March 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The attached images and videos are entirely unidentifiable, and there are no details of individuals reported within the manuscript.
: All procedures in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study protocol was approved by the internal review board of our institution (ASAI20181001). The UMIN clinical trials registry number is UMIN000032480, and the date of registration was May 6, 2018.
: Informed consent was obtained from all individual participants included in the study.
