1. Department of Urology, University of California, San Diego, San Diego, California, USA.
2. Glickman Urology and Kidney Institute, Cleveland Clinic, Cleveland, Ohio, USA.
3. Division of Urology, Hospital das Clínicas, University of Sao Paulo Medical School, Sao Paulo, Brazil.
4. Department of Urology, Indiana University School of Medicine, Indianapolis, Indiana, USA.
5. Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA.