1. Department of NeuropsychiatryKeio University School of Medicine Tokyo Japan
2. Department of Nuclear MedicineSaitama Medical University International Medical Center Saitama Japan
3. Department of Psychiatry, Multimodal Imaging Group, Center for Addiction and Mental HealthUniversity of Toronto Toronto Canada
4. Cerebral Imaging CenterDouglas Mental Health University Institute Montreal Canada
5. Departments of Psychiatry and Biological and Biomedical EngineeringMcGill University Montreal Canada
6. Faculty of Science and TechnologyKeio University Tokyo Japan
7. Center for Supercentenarian Medical ResearchKeio University School of Medicine Tokyo Japan
8. Integrative Brain Imaging CenterNational Center of Neurology and Psychiatry Tokyo Japan