1. Nemours Biomedical Research/Alfred I. duPont Hospital for Children, Wilmington, DE, USA
2. Division of Cancer Epidemiology and Genetics, Department of Health and Human Services, National Cancer Institute, National Institutes of Health, Rockville, MD, USA
3. Department of Medicine, Division of Translational Medicine and Human Genetics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
4. Division of Genetics and Epidemiology, Institute of Cancer Research, London, UK
5. St. Jude Children’s Research Hospital, Department of Computational Biology, Memphis, TN, USA
6. Division of Genetics, Children’s Hospital of Philadelphia and Departments of Biostatistics and Epidemiology, and Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
7. Department of Molecular Medicine, Sapienza University, Rome, Italy