Enomoto, M. http://orcid.org/0000-0001-6561-0932
Hayashi, K. http://orcid.org/0000-0003-4267-5869
Article History
Received: 3 October 2017
Accepted: 10 January 2018
First Online: 23 January 2018
Compliance with ethical standards
:
: The authors have no conflicts of interest.
: The current manuscript is not under consideration for publication anywhere else. Its publication has been agreed by the co-author.