Susumu Urakawa, Kouich Takamoto, Etsuro Hori, Natsuko Sakai, Taketoshi Ono and Hisao Nishijo*
* Corresponding author: Hisao Nishijo nishijo@med.u-toyama.ac.jp
BMC Neuroscience 2013, 14:13 doi:10.1186/1471-2202-14-13