Funding for this research was provided by:
Japan Society for the Promotion of Science (JP16H00790)
Article History
Received: 14 March 2019
Accepted: 26 April 2019
First Online: 21 May 2019
Compliance with Ethical Standards
:
: Masataka Yamauchi declares that he has no conflict of interest. Yoshiharu Mori declares that he has no conflict of interest. Hisashi Okumura 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.