1. Department of Basic Science, Educational and Research Center for Pharmacy, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo 204-8588, Japan.
2. Department of Pharmacology and Toxicology, Dokkyo Medical University School of Medicine, 880, Kitakobayashi, Mibu, Shimotsuga, Tochigi 321-0293, Japan.