Adachi, Naoki
Numakawa, Tadahiro
Nakajima, Shingo
Fukuoka, Masashi
Odaka, Haruki
Katanuma, Yusuke
Ooshima, Yoshiko
Hohjoh, Hirohiko
Kunugi, Hiroshi
Article History
Received: 26 November 2014
Accepted: 6 July 2015
First Online: 4 August 2015
Competing interests
: The authors declare no competing financial interests.