1. Division of Pediatric Neurosurgery, Department of Neurosurgery, University of Utah, Salt Lake City, Utah;
2. Intermountain Healthcare, Salt Lake City, Utah;
3. Huntsman Cancer Institute, Salt Lake City, Utah;
4. Genetic Epidemiology, Department of Internal Medicine, University of Utah, Salt Lake City, Utah;
5. Departments of Biomedical Informatics and
6. Surgical Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland; and
7. Statistical Genetics Section, Computational and Statistical Genomics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland
8. Pediatrics, University of Utah, Salt Lake City, Utah;