Takeyama, Hiroshi https://orcid.org/0000-0003-1672-8349
Danno, Katsuki
Nishigaki, Takahiko
Yamashita, Masafumi
Oka, Yoshio
Article History
Received: 25 June 2020
Accepted: 8 October 2020
First Online: 20 October 2020
Compliance with ethical standards
:
: This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors. The authors declare they have no conflict of interest to disclose.
: The Institutional Review Board of the Minoh City Hospital approved the study.
: A free and informed written consent was obtained from all participants to the study.
: This study was performed in compliance with ethical standards of the Helsinki declaration guidelines.