Yamashita, Yuichi
Fujimura, Tomomi
Katahira, Kentaro
Honda, Manabu
Okada, Masato
Okanoya, Kazuo
Article History
Received: 9 February 2016
Accepted: 25 May 2016
First Online: 13 June 2016
Competing interests
: The authors declare no competing financial interests.