Text and Data Mining valid from 2019-08-31
Received: 6 June 2019
Accepted: 19 August 2019
First Online: 31 August 2019
: Mice were handled according to the guidelines provided by Sapporo Medical University and the Scientists Center for Animal Welfare. The Institutional Animal Care and Use Committee approved protocols.
: Not applicable.
: The authors declare that they have no competing interests.