Otobe, Yuhei http://orcid.org/0000-0003-1299-6231
Hiraki, Koji
Izawa, Kazuhiro P.
Sakurada, Tsutomu
Shibagaki, Yugo
Article History
Received: 19 October 2019
Accepted: 8 November 2019
First Online: 25 November 2019
Compliance with ethical standards
:
: The authors have declared that no conflict of interest exists.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee at which the studies were conducted (IRB approval number 2691), and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.