1. Department of Molecular Pathology, Institute of Gerontology, Nippon Medical School, Japan
2. Department of Pathology, Nippon Red Cross Hospital Center, Japan
3. Surgical Pathology, Hokusoh Hospital, Nippon Medical School, Japan
4. Surgery Sections, Hokusoh Hospital, Nippon Medical School, Japan
5. Pathology Section, National Heart, Lung and Blood Institute, National Institutes of Health, USA