Nishikawa, Ken
Kinjo, Akira R. http://orcid.org/0000-0002-4006-8208
Article History
Received: 14 January 2018
Accepted: 5 February 2018
First Online: 21 February 2018
Compliance with Ethical Standards
:
: Ken Nishikawa declares that he has no conflict of interest. Akira R. Kinjo declares that he has no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.