1. Department of Pediatrics, PeaceHealth Medical Group, Eugene, Oregon
2. Department of Pediatrics, Vanderbilt University, Nashville, Tennessee
3. School of Medicine, Southern Illinois University, Springfield, Illinois
4. Departments of Neurology/Neurosurgery and Pediatrics, McGill University, Montreal, Quebec, Canada
5. Division of Neurology and Developmental Medicine, Kennedy Krieger Institute, Baltimore, Maryland
6. Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland
7. College of Education, University of Oregon, Eugene, Oregon