Institution: | 1. Department of Urology;2. Department of Microbiology, Fukushima Medical University, , Fukushima, 960‐1295;3. Department of Urology, Tokyo Women's Medical University, , Shinjuku‐ku, Tokyo, 162‐8666;4. Department of Virology I, National Institute of Infectious Diseases, , Toyama Shinjuku‐ku, Tokyo, 162‐8640 Japan |