Nakatani, Hironori
Ogawa, Akitoshi
Suzuki, Chisato
Asamizuya, Takeshi
Ueno, Kenichi
Cheng, Kang
Okanoya, Kazuo
Article History
Received: 3 June 2016
Accepted: 23 January 2017
First Online: 23 February 2017
Competing interests
: The authors declare no competing financial interests.