Hirao, Takehiro http://orcid.org/0000-0003-4377-7541
Kudo, Hiroaki
Amimoto, Tomoko
Haino, Takeharu http://orcid.org/0000-0002-0945-2893
Article History
Received: 27 March 2017
Accepted: 20 July 2017
First Online: 21 September 2017
Competing interests
: The authors declare no competing financial interests.