Nakajima, Haruki http://orcid.org/0000-0002-3865-6350
Funding for this research was provided by:
Toyama Prefecture, Japan
Article History
Received: 25 January 2016
Accepted: 3 April 2018
First Online: 5 April 2018
Compliance with ethical standards
:
: The author declares that he has no conflict of interest.