Kei Mizuno*, Masaaki Tanaka, Kouzi Yamaguti, Osami Kajimoto, Hirohiko Kuratsune and Yasuyoshi Watanabe
* Corresponding author: Kei Mizuno keimizuno@riken.jp
Behavioral and Brain Functions 2011, 7:17 doi:10.1186/1744-9081-7-17