1. Department of Immunology; Kochi Medical School; Nankoku Kochi 783-8505 Japan
2. Department of Urology; Kochi Medical School; Nankoku Kochi 783-8505 Japan
3. Department of Tumor Pathology; Kochi Medical School; Nankoku Kochi 783-8505 Japan
4. Department of Cancer Immunotherapy, Graduate School of Medicine; Osaka University; Suita Osaka 565-0871 Japan
5. Osaka Minami Medical Center; Kawachi-Nagano Osaka 586-8521 Japan
6. Department of Functional Diagnostic Science, Graduate School of Medicine; Osaka University; Suita Osaka 565-0871 Japan
7. Department of Respiratory Medicine, Allergy and Rheumatic Diseases, Graduate School of Medicine; Osaka University; Suita Osaka 565-0871 Japan