Asano, Hiroshi http://orcid.org/0000-0002-5867-8899
Fukano, Hiroyuki
Ohara, Yasuhiro
Shinozuka, Nozomi
Article History
Accepted: 22 November 2018
First Online: 3 December 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 and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.For this type of study formal consent is not required.
: Not applicable.