Hayashi, Keisuke
Hitosugi, Takashi
Kawakubo, Yoshifumi
Kitamoto, Norihisa
Yokoyama, Takeshi
Article History
Received: 8 May 2019
Accepted: 26 March 2020
First Online: 7 April 2020
Ethics approval and consent to participate
: All included volunteers gave their oral and written informed consent. The study was approved by Okayama Saiseikai General Hospital Institutional Review Board. Approval date: 7 October 2014. Approval (No.: 141001).
: Not applicable.
: All authors have no conflict of interest.