Takahashi, Hiroki
Sugimoto, Akira
Nambu, Yusuke
Yamauchi, Touru
Hirata, Yasuyuki
Kawakami, Takateru
Avdeev, Maxim
Matsubayashi, Kazuyuki
Du, Fei
Kawashima, Chizuru
Soeda, Hideto
Nakano, Satoshi
Uwatoko, Yoshiya
Ueda, Yutaka
Sato, Taku J.
Ohgushi, Kenya
Article History
Received: 3 September 2014
Accepted: 10 June 2015
First Online: 20 July 2015
Competing interests
: The authors declare no competing financial interests.