Yasumura, Misato
Yoshida, Tomoyuki
Yamazaki, Maya
Abe, Manabu
Natsume, Rie
Kanno, Kouta
Uemura, Takeshi
Takao, Keizo
Sakimura, Kenji
Kikusui, Takefumi
Miyakawa, Tsuyoshi
Mishina, Masayoshi
Article History
Received: 29 April 2014
Accepted: 23 September 2014
First Online: 14 October 2014
Competing interests
: The authors declare no competing financial interests.