1. Department of Urology, Miller School of Medicine, University of Miami, Miami, Florida, USA.
2. Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA.
3. Department of Urology, University of Texas Southwestern, Dallas, Texas, USA.
4. Department of Urology, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA.
5. Department of Pediatrics, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA.
6. Department of Medicine, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA.
7. Department of Oncology, The University of Iowa Holden Comprehensive Cancer Center, Iowa City, Iowa, USA.
8. Department of Pediatric Hematology and Oncology, Miller School of Medicine, University of Miami, Miami, Florida, USA.
9. Department of Urology, University of Manitoba, Winnipeg, Manitoba, Canada.