1. Department of Molecular Pharmacology and Neurobiology; Yokohama City University Graduate School of Medicine; Yokohama 236-0004 Japan
2. Department of Neurology and Stroke Medicine; Yokohama City University Graduate School of Medicine; Yokohama 236-0004 Japan
3. JSPS Postdoctoral Fellowship for Research Abroad; Tokyo 102-0083 Japan
4. Advanced Medical Research Center; Yokohama City University; Yokohama 236-0004 Japan
5. Department of Anesthesiology; Yokohama City University Graduate School of Medicine; Yokohama 236-0004 Japan
6. Laboratory of Psychology; Jichi Medical University; Shimotsuke 329-0498 Japan
7. Department of Physiology; Yokohama City University Graduate School of Medicine; Yokohama 236-0004 Japan