Funding for this research was provided by:
Grant-in-Aid for Scientific Research (C), JSPS KAKENHI (JP 24592291)
Text and Data Mining valid from 2019-04-05
Received: 23 January 2019
Revised: 18 March 2019
Accepted: 21 March 2019
First Online: 5 April 2019
Compliance with Ethical Standards
: The authors declare that they have no conflicts of interest.
: The animal experiments were performed according to international ethical standards and approved by the research ethics committee of Akita University (a-1-2625). Every effort was made to minimize the number and suffering of animals.