1. Laboratory of Neuropharmacology, Department of Nursing; Shikoku University School of Health Sciences; Tokushima 771-1192 Japan
2. Division of Bio-Imaging, Chuncheon Center; Korea Basic Science Institute; Chuncheon 200-701 Republic of Korea
3. Laboratory of Cell Biology and Toxicology, Department of Food Science and Nutrition; Shikoku Junior College; Ohjin Tokushima 771-1192 Japan