1. Division of Urology, Department of Surgery, Cook County Hospital, Cook County Health and Hospitals System, Chicago, Illinois
2. Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
3. Division of Epidemiology and Biostatistics, School of Public Health and Population Health, Behavior and Outcomes Program, Cancer Center and Institute for Health Research and Policy, University of Illinois at Chicago, Chicago, Illinois