Affiliation: | 1. Pain & Neurology, Medicinal Research Laboratories, Shionogi and Co., Ltd., , Toyonaka, Osaka, Japan;2. Laboratory of Pharmacology, Josai International University, , Togane, Chiba, Japan;3. Division of Pathological Sciences, Department of Pharmacology and Experimental Therapeutics, Kyoto Pharmaceutical University, , Kyoto, Japan |