Funding for this research was provided by:
Japan Society for the Promotion of Science (18J11540)
Article History
Received: 15 March 2018
Revised: 7 May 2018
Accepted: 23 May 2018
First Online: 2 June 2018
Compliance with ethical standards
: All animal care and treatments were conducted in accordance with the National Institutes of Health Guide for the Care of Laboratory Animals and the guidelines of the Kitasato University. All animal studies were approved by the President of Kitasato University through the judgment by Institutional Animal Care and Use Committee of Kitasato University (Approval no. 16-043 and 17-085).