Fujinaga, Shuichiro http://orcid.org/0000-0002-2957-3705
Nishino, Tomohiko
Article History
Received: 30 March 2018
Accepted: 3 April 2018
First Online: 19 April 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.