Koyano, Fumika
Okatsu, Kei
Kosako, Hidetaka
Tamura, Yasushi
Go, Etsu
Kimura, Mayumi
Kimura, Yoko
Tsuchiya, Hikaru
Yoshihara, Hidehito
Hirokawa, Takatsugu
Endo, Toshiya
Fon, Edward A.
Trempe, Jean-François
Saeki, Yasushi
Tanaka, Keiji
Matsuda, Noriyuki
Article History
Received: 29 January 2014
Accepted: 23 April 2014
First Online: 4 June 2014
Competing interests
: The authors declare no competing financial interests.