Asakage, N. http://orcid.org/0000-0001-8093-8928
Article History
Received: 8 October 2017
Accepted: 22 January 2018
First Online: 27 February 2018
Compliance with ethical standards
:
: N. A declares no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the insitutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: For this type of study formal consent is not required.