1. Departments of Pediatrics and Neurology, Yale University School of Medicine, New Haven, Connecticut
2. Division of Neurology, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania
3. Division of Child Neurology, Department of Neurology, Vanderbilt University Medical Center, Nashville, Tennessee
4. Stanford Stroke Center, Palo Alto, California
5. Division of Pediatric Neurology, Kaiser Permanente Oakland Medical Center, Oakland, California
6. Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland