1. Department of Diagnostic imaging Hokkaido University, Graduate School of Medicine Sapporo Japan
2. Center for Cause of Death investigation, Faculty of Medicine Hokkaido University Sapporo Japan
3. Department of Diagnostic and Interventional Radiology Hokkaido University Hospital Sapporo Japan
4. Global Center for Biomedical Science and Engineering, Faculty of Medicine Hokkaido University Sapporo Japan
5. Department of Radiology Hokkaido University, Graduate School of Dental Medicine Sapporo Japan
6. Innovative Technology Laboratory, Healthcare Business Unit Hitachi, Ltd. Tokyo Japan
7. Department of Preventive Dentistry, Division of Oral Health Science, Dental Medicine Hokkaido University Sapporo Japan
8. Hokkaido University, Hospital Clinical Research and Medical Innovation Center, Research and Development Division Sapporo Japan
9. Division of Ultrahigh Field MRI, Institute for Biomedical Sciences Iwate Medical University Yahaba Japan