Shiozaki, Takuhei
Ijichi, Minoru
Isobe, Kazuo
Hashihama, Fuminori
Nakamura, Ken-ichi
Ehama, Makoto
Hayashizaki, Ken-ichi
Takahashi, Kazutaka
Hamasaki, Koji
Furuya, Ken
Article History
Received: 21 August 2015
Revised: 3 January 2016
Accepted: 5 January 2016
First Online: 26 February 2016
Competing interests
: The authors declare no conflict of interest.