Funding for this research was provided by:
Japan Society for the Promotion of Science (17 K09438)
Received: 20 October 2018
Accepted: 15 November 2018
First Online: 26 November 2018
Ethics approval and consent to participate
: All the animal procedures were performed as per the recommendations of the Guide for Care and Use of Laboratory Animals (National Research Council). The study was approved by the animal facility committee of Nara Medical University (permit No. 10842).
: Not applicable.
: The authors declare that they have no competing interests.
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