1. Department of Oral Anatomy and Cell Biology; Graduate School of Medical and Dental Sciences, Kagoshima University; Kagoshima Japan
2. Department of Dental Anesthesiology; Graduate School of Medical and Dental Sciences, Kagoshima University; Kagoshima Japan
3. Department of Physiology; Graduate School of Medicine, The University of Tokyo; Tokyo Japan
4. Department of Morphological Brain Science; Graduate School of Medicine, Kyoto University; Kyoto Japan