Radboud University Medical Center, Radboud Institute for Health Sciences, Nijmegen, The Netherlands. deCODE Genetics/Amgen, Reykjavik, Iceland. Department of Clinical Pharmacy & Toxicology, Leiden University Medical Center, Leiden, The Netherlands. University of Medicine and Pharmacy Carol Davila, Bucaresti, Romania, Bucuresti, Romania. Epidemiology and analyses in public health, Joint Unit 1027, Institut National de la Santé et de la Recherche Médicale (INSERM), Université Toulouse III Paul Sabatier, Faculty of Medicine, Toulouse, France. Medical Oncology Department, Hospital Universitario 12 de Octubre, I+12 Research Institute, (CiberOnc), Madrid, Spain. Institute of Pharmacy, Clinical Pharmacy, University of Bonn, Bonn, Germany. Medical Oncology, HM Hospitales-Centro Integral Oncológico HM Clara Campal, Madrid, Spain. Anatomía Patológica, Complejo Hospitalario de Navarra, Pamplona, Spain. Department of Pathology, University Erlangen-Nürnberg, Erlangen, Germany. Department of Pathology, Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Nijmegen, The Netherlands. Clinic of Urology and Paediatric Urology, Saarland University, Homburg, Germany. Cancer Epigenetics and Biology Program, Bellvitge Biomedical Research Institute, Barcelona, Catalonia, Spain. Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Nijmegen, The Netherlands. Hereditary Endorine Cancer Group, Spanish National Cancer Research Centre (CNIO) and Biomedical Network on Rare Diseases (CIBERER), Madrid, Spain. CESAR central office, CESAR Central European Society for Anticancer Drug Research-EWIV, Vienna, Austria. PamGene International B.V., 's-Hertogenbosch, The Netherlands. deCODE Genetics/Amgen, Reykjavik, Iceland; Faculty of Medicine, School of Health Sciences, University of Iceland, Reykjavík, Iceland. Department of Histopathology, Cambridge University Hospitals NHS Foundation Trust, Cambridge Biomedical Campus, Cambridge, UK. Department of Molecular Carcinogenesis, The Netherlands Cancer Institute, Amsterdam, The Netherlands. Department of Oncology, Cambridge University Hospitals NHS Foundation Trust, Cambridge Biomedical Campus, Cambridge, UK. Radboud University Medical Center, Radboud Institute for Health Sciences, Nijmegen, The Netherlands. Electronic address: Bart.Kiemeney@radboudumc.nl.