Institution: | Department of Pathology, Jichi Medical School, Yakushiji, Minamikawachi-machi, Kawachi-gun, Tochigi,2. and Departments of Surgery1. and Pathology,3. Tokyo Metropolitan Komagome Hospital, and Department of Cell Regulation, Division of Virology and Immunology, Medical Research Institute, Tokyo Medical and Dental University,4. Tokyo, Japan |