Fujii, Takashi
Ota, Miho
Hori, Hiroaki
Hattori, Kotaro
Teraishi, Toshiya
Matsuo, Junko
Kinoshita, Yukiko
Ishida, Ikki
Nagashima, Anna
Kunugi, Hiroshi
Article History
Received: 4 June 2014
Accepted: 30 September 2014
First Online: 21 October 2014
Competing interests
: The authors declare no competing financial interests.