1. Division of Laboratory and Transfusion Medicine Hokkaido University Hospital Sapporo Japan
2. Diagnostic Center for Sonography Hokkaido University Hospital Sapporo Japan
3. Department of Planning and Management Hokkaido University Hospital Sapporo Japan
4. Department of Surgical Pathology Hokkaido University Hospital Sapporo Japan
5. Department of Diagnostic and Interventional Radiology Hokkaido University Hospital Sapporo Japan
6. Department of Breast Surgery Hokkaido University Hospital Sapporo Japan
7. Department of Hematology, Graduate School of Medicine Hokkaido University Sapporo Japan