1. Department of Urology, University of Medicine and Dentistry of New Jersey, New Jersey Medical School, Newark, New Jersey
2. Department of Urology and the Cancer Center, Hackensack University Medical Center, Hackensack, New Jersey
3. Department of Urology and the Cancer Center, Hackensack University Medical Center, Hackensack, New Jersey, and the College of Physicians and Surgeons, Columbia University, New York City, New York,