1. Center for pharmaceutical education, Yokohama University of Pharmacy, Yokohama, Kanagawa, Japan.
2. Laboratory of Food Chemistry, Yokohama University of Pharmacy, Yokohama, Japan.
3. Laboratory for Neuroanatomy and Neuropharmacology, Department of Nursing, Faculty of Nursing, Chukyogakuin University, Mizunami, Gifu, Japan.
4. General Health Medical Center, Yokohama University of Pharmacy, Yokohama, Japan.