Funding for this research was provided by:
Japan Society for the Promotion of Science (JP13760130, JP21580402, JP11760124)
Text and Data Mining valid from 2019-06-24
Received: 12 June 2019
Accepted: 17 June 2019
First Online: 24 June 2019
Ethics approval and consent to participate
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Not applicable.
: The authors declare that they have no competing interests.