Yanagi, Kazuhiro http://orcid.org/0000-0002-7609-1493
Okada, Ryotaro
Ichinose, Yota
Yomogida, Yohei
Katsutani, Fumiya
Gao, Weilu http://orcid.org/0000-0003-3139-034X
Kono, Junichiro http://orcid.org/0000-0002-4195-0577
Article History
Received: 30 October 2017
Accepted: 6 February 2018
First Online: 16 March 2018
Competing interests
: The authors declare no competing interests.