Funding for this research was provided by:
research grants from the Parents’ Association of Kitasato University School of Medicine
Text and Data Mining valid from 2019-05-10
Received: 10 January 2019
Accepted: 22 April 2019
First Online: 10 May 2019
Ethics approval and consent to participate
: All experimental protocols were approved by the Kitasato University School of Medicine Animal Care Committee (Permission number: 2018–085).
: Not applicable
: The authors declare that they have no competing interests.
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