Fukuhara, Toshiyuki http://orcid.org/0000-0002-9811-8407
Funding for this research was provided by:
the Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan (No. 16H06435, No. 16H06429, No. 16H21723)
Article History
Received: 20 July 2018
Accepted: 7 January 2019
First Online: 14 January 2019
Compliance with ethical standards
:
: The author declares that he has no conflict of interest.
: This article does not describe any studies involving human participants or animals.