Ishihara, Sayaka
Nishikimi, Akihiko
Umemoto, Eiji
Miyasaka, Masayuki http://orcid.org/0000-0001-6122-5201
Saegusa, Makoto
Katagiri, Koko
Article History
Received: 22 April 2015
Accepted: 22 October 2015
First Online: 4 December 2015
Competing interests
: The authors declare no competing financial interests.