1. Department of Pulmonology Yokohama City University Graduate School of Medicine Yokohama Japan
2. Department of Pathology Yokohama City University Graduate School of Medicine Yokohama Japan
3. Department of Molecular Pathology Yokohama City University Graduate School of Medicine Yokohama Japan
4. Department of Hematology and Clinical Immunology Yokohama City University Graduate School of Medicine Yokohama Japan