1. Pediatric Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD;
2. Division of Oncology, Children’s Hospital of Philadelphia, Philadelphia, PA;
3. Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA;
4. Vancouver Prostate Centre, Vancouver, BC, Canada;
5. Department of Urologic Sciences, University of British Columbia, Vancouver, BC, Canada;
6. Department of Molecular Oncology, BC Cancer Agency, Vancouver, BC, Canada;
7. iPSC Core, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD; and
8. National Institutes of Health Stem Cell Unit, National Institute of Neurological Diseases and Stroke, National Institutes of Health, Bethesda, MD