Takezawa, Kentaro
Kondo, Makoto
Kiuchi, Hiroshi
Ueda, Norichika
Soda, Tetsuji
Fukuhara, Shinichiro
Takao, Tetsuya
Miyagawa, Yasushi
Tsujimura, Akira
Matsumoto-Miyai, Kazumasa
Ishida, Yusuke
Negoro, Hiromitsu
Ogawa, Osamu
Nonomura, Norio
Shimada, Shoichi
Article History
Received: 27 September 2015
Accepted: 15 December 2015
First Online: 22 January 2016
Competing interests
: The authors declare no competing financial interests.