Fujinaga, Shuichiro http://orcid.org/0000-0002-2957-3705
Tomii, Yuji
Article History
Received: 2 March 2019
Accepted: 8 March 2019
First Online: 18 March 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts 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.