Funding for this research was provided by:
Japan Society for the Promotion of Science (JP25104007, JP17K17608)
Article History
Received: 8 December 2017
Accepted: 5 February 2018
First Online: 14 February 2018
Compliance with ethical standards
:
: This work was supported by JSPS KAKENHI Grant Number JP25104007 (to S.T.) and JSPS KAKENHI Grant Number JP17K17608 (to H.O.).
: Satoshi Takahashi declares that he has no conflict of interest. Aya Yoshida declares that she has no conflict of interest. Hiroyuki Oikawa 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.