1. From the Department of Neuropharmacology (K.H., K.M., M.N., M.H., S.M., M. Fujioka, N.E., K.I., M.F.), Faculty of Pharmaceutical Sciences, and the Advanced Materials Institute (K.I., M. Fujwara), Fukuoka University, Fukuoka; and the Department of Veterinary Pharmacology (K.O.), School of Veterinary Medicine, Azabu University, Kanagawa, Japan.