1. Department of Medicinal Pharmacognosy, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, 1432-1, Horinouchi, Hachioji, Tokyo 192-0392, Japan
2. Laboratory of Molecular Neurology, School of Life Science, Tokyo University of Pharmacy and Life Sciences, 1432-1, Horinouchi, Hachioji, Tokyo 192-0392, Japan
3. Department of Pharmacology, National Research Institute for Child Health and Development, 2-10-1, Okura, Setagaya, Tokyo 157-8535, Japan