Funding for this research was provided by:
Ministry of Education, Culture, Sports, Science and Technology (16K16606, 25430083)
Article History
Received: 5 April 2018
Accepted: 19 September 2018
First Online: 2 January 2019
Compliance with ethical standards
:
: The authors declare no conflict interest.
: All research was conducted according to the Regulation for the Care and Use of Laboratory Animals of Kitasato University. Animal experimentation protocol was approved by President of Kitasato University through the judgment by Institutional Animal Care and Use Committee of Kitasato University (Approval ID: No. 15-168).