1. Stritch School of Medicine, Loyola University Chicago, Chicago, Illinois
2. Department of Urology, Indiana University Hospital, Indianapolis, Indiana
3. Department of Pathology, Loyola University Medical Center, Maywood, Illinois
4. Department of Pathology, Indiana University Hospital, Indianapolis, Indiana
5. Clinical Research Office, Loyola University Chicago, Chicago, Illinois
6. Indiana University School of Medicine, Indianapolis, Indiana
7. Department of Urology, Loyola University Medical Center, Maywood, Illinois