Ueno, Kaori
Hirono, Chikara http://orcid.org/0000-0002-2134-7375
Kitagawa, Michinori
Shiba, Yoshiki
Sugita, Makoto
Article History
Received: 19 October 2015
Accepted: 23 February 2016
First Online: 11 March 2016
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving animals were in accordance with the ethical standards of the institution at which the studies were conducted.