Affiliation: | Departments of Medicine, Kochi Medical School, Kohasu, Oko-cho, Nankoku, Kochi 783;Departments of Pathology, Kochi Medical School, Kohasu, Oko-cho, Nankoku, Kochi 783;Department of Molecular Cellular Oncology and Microbiology, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113 |