Oikawa, Kazusato
Matsunaga, Shigeru
Mano, Shoji
Kondo, Maki
Yamada, Kenji http://orcid.org/0000-0003-4872-3729
Hayashi, Makoto
Kagawa, Takatoshi
Kadota, Akeo
Sakamoto, Wataru
Higashi, Shoichi
Watanabe, Masakatsu
Mitsui, Toshiaki
Shigemasa, Akinori
Iino, Takanori
Hosokawa, Yoichiroh
Nishimura, Mikio
Article History
Received: 13 July 2014
Accepted: 23 February 2015
First Online: 30 March 2015
Competing interests
: The authors declare no competing financial interests.