1 Department of Urology, University of Occupational and Environmental Health (Department of Urology, Shin-Kokura Hospital), Japan. Electronic address: karyo@jc4.so-net.ne.jp.
2 Department of Urology, Gifu University Hospital, Japan.
3 Department of Infection Control and Laboratory Medicine, Sapporo Medical University School of Medicine, Japan.
4 Department of Urology, Kawasaki Medical School, Japan.
5 Department of Infectious Disease, Kanazawa Medical University, Japan.
6 Division of Infectious Diseases, Department of Medical Subspecialties, National Center for Child Health and Development, Japan.
7 Sanda City Hospital, Japan.
8 Department of Urology, The Jikei University Katsushika Medical Center, Japan.