Ohzono, Takuya http://orcid.org/0000-0003-2185-2504
Katoh, Kaoru
Wang, Chenguang
Fukazawa, Aiko http://orcid.org/0000-0002-2903-105X
Yamaguchi, Shigehiro
Fukuda, Jun-ichi http://orcid.org/0000-0003-3552-8406
Article History
Received: 2 October 2017
Accepted: 17 November 2017
First Online: 1 December 2017
Competing Interests
: The authors declare that they have no competing interests.