Affiliation: | 1)Department of Virology and Immunology, College of Veterinary Medicine, Nippon Veterinary and Animal Science University, Tokyo 180–8602, Japan;2)Department of Anesthesiology, the University of Tokyo Hospital, Tokyo 113–0033, Japan;3)Bioscience Medical Research Center, Niigata University Medical and Dental Hospital, Niigata 951–8520, Japan |