Affiliation: | (1) Department of Surgery, Division of Urology, University of Pennsylvania School of Medicine, 19104 Philadelphia, PA;(2) Medical Research Service, DVA Medical Center, University and Woodland Aves, 19104 Philadelphia, PA, USA;(3) Department of Microbiology and Immunology, Medical College of Pennsylvania, 2900 Queen Lane, 19129 Philadelphia, PA;(4) Division of Urology, Veterans General Hospital and National Yang-Ming Medical College, Taipei, Taiwan, Republic of China |