Funding for this research was provided by:
MEXT-Supported Program for the Strategic Research Foundation at Private Universities (S1311009)
Grants-in-Aid for Scientific Research (18H02722)
Grant-in Scientific Research on Innovation Areas (19H04759)
Grant-in-Aid for Young Scientists (15K19194)
Grant-in-Aid for Scientific Research (17K09042)
Jikei University Research Fund for Graduate Students (non)
Received: 11 May 2019
Accepted: 26 November 2019
First Online: 12 December 2019
Ethics approval and consent to participate
: The experimental protocol was approved by the Institutional Animal Care and Use Committee of Jikei University (approval number 2016-082) and conformed to the Guidelines for the Proper Conduct of Animal Experiments set forth by the Science Council of Japan (2006).
: Not applicable.
: The authors declare that they have no competing interests.