Hirano, Katsuaki
Kurosaki, Masahiro
Nihei, Satoshi
Hasegawa, Hiroki
Shinoda, Suguru
Haruki, Mitsuru
Hirano, Nobutaka
Article History
Received: 18 May 2016
Accepted: 3 October 2016
First Online: 19 October 2016
Competing interests
: The authors declare no competing financial interests.