Uchida, Tsukasa
Tamaki, Yoshitaka
Ayaki, Takashi
Shodai, Akemi
Kaji, Seiji
Morimura, Toshifumi
Banno, Yoshinori
Nishitsuji, Kazuchika
Sakashita, Naomi
Maki, Takakuni
Yamashita, Hirofumi
Ito, Hidefumi
Takahashi, Ryosuke
Urushitani, Makoto
Article History
Received: 13 July 2015
Accepted: 4 December 2015
First Online: 11 January 2016
Competing interests
: The authors declare no competing financial interests.