Inagaki, Yoshinori
Matsumoto, Yasuhiko
Ishii, Masaki
Uchino, Keiro
Sezutsu, Hideki
Sekimizu, Kazuhisa
Article History
Received: 19 December 2014
Accepted: 18 May 2015
First Online: 10 June 2015
Competing interests
: The authors declare no competing financial interests.