Sakamoto, Noriaki
Takeuchi, Yoshito
Morishita, Hiroyuki
Arai, Yasuaki
Article History
Received: 31 December 2019
Accepted: 20 January 2020
First Online: 28 January 2020
Compliance with Ethical Standards
:
: All authors declare that they have no conflicts of interest in relation to this manuscript.
: Institutional review board approval was not required for this study.
: Informed consent was obtained from all individual participants included in the study.
: Consent for publication was obtained for every individual person’s data included in the study.