Text and Data Mining valid from 2019-10-24
Received: 11 July 2019
Accepted: 1 October 2019
First Online: 24 October 2019
: The animal studies were performed in accordance with our institutional guidelines and were approved by the Local Animal Care Committee of Gunma University (approval number: 17–035).
: Note applicable.
: The authors declare that they have no competing interests.