Imai, Hiroshi
Kamada, Tomomi
Miyawaki, Joji
Maruishi, Akira
Mashima, Naohiko
Miura, Hiromasa
Article History
Received: 27 December 2019
Accepted: 17 April 2020
First Online: 28 April 2020
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: Approval for this study was obtained from our University Graduate School of Medical Science Ethics Committee, with its conduct in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments.
: Informed consent was obtained from all individual participants included in the study.