1. Department of Urology; University of Texas Southwestern Medical Center; Dallas TX USA
2. Madigan Army Medical Center; Joint Base Lewis-McChord; Tacoma WA USA
3. Walter Reed National Military Medical Center; Bethesda MD USA
4. Dana-Farber/Boston Children’s Cancer and Blood Disorder Center; Boston MA USA
5. Department of Urology; I.M. Sechenov First Moscow State University; Moscow Russia
6. Department of Pathology; University of Cambridge; Cambridge UK
7. Department of Pediatric Hematology and Oncology; Cambridge University Hospitals NHS Foundation Trust; Cambridge UK
8. Departments of Pediatrics and Medicine; Keck School of Medicine; Cancer and Blood Disease Institute; Children's Hospital Los Angeles; University of Southern California; Los Angeles CA USA