1. Departments of Urology, Surgery and Radiology, Loyola University Chicago, Chicago, Illinois
2. Department of Urology, Indiana University, Indianapolis, Indiana
3. Glickman Urological Kidney Institute, Cleveland Clinic, Cleveland, Ohio
4. Department of Urology, Sun Yat-Sen University Cancer Center, Guangzhou, China
5. Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, Ohio