1. Department of Rehabilitation Science; Kobe University Graduate School of Health Sciences; Kobe; Japan
2. Department of Food Sciences and Nutrition; Nagoya Women's University; Nagoya; Japan
3. Laboratory of Cell Biology and Life Science; Graduate School of Human and Environmental Studies, Kyoto University; Kyoto; Japan
4. Brain Research Institute and Department of Integrative Biology and Physiology; University of California; Los Angeles; CA; USA