Hirata, Yoshito http://orcid.org/0000-0002-9245-2543
Morino, Kai
Akakura, Koichiro
Higano, Celestia S.
Aihara, Kazuyuki http://orcid.org/0000-0002-4602-9816
Article History
Received: 17 July 2017
Accepted: 24 January 2018
First Online: 8 February 2018
Competing Interests
: The authors declare that they have no competing interests.