1. Clinical Training Center, Hokkaido University Hospital, Japan
2. Department of Hematology, Hokkaido University Hospital, Japan
3. Department of Cardiology, Hokkaido University Hospital, Japan
4. Center for Cause of Death Investigation, Faculty of Medicine, Hokkaido University, Japan
5. Department of Surgical Pathology, Hokkaido University Hospital, Japan
6. Department of Cancer Pathology, Faculty of Medicine, Hokkaido University, Japan
7. Department of Respiratory Medicine, Hokkaido University Hospital, Japan
8. Department of Integrative Pathology, Faculty of Medicine, Hokkaido University, Japan