1. Department of Neurosurgery, Washington University School of Medicine, St. Louis, Missouri.
2. Department of Clinical Sciences, College of Veterinary Medicine, University of Minnesota, Saint Paul, Minnesota.
3. Department of Pediatrics (Clinical Neuroscience), University of Minnesota, Minneapolis, Minnesota.
4. Department of Neurological Surgery, University of Washington, Seattle, Washington.
5. Department of Neurology and Regional Epilepsy Center, University of Washington, Seattle, Washington.
6. Mercy Clinic Child Neurology, St. Louis, Missouri.
7. Center for Human Development and Disability, University of Washington, Seattle, Washington.