1. Departments of Neurology and Pediatrics; UCSF Benioff Children's Hospital; University of California, San Francisco; San Francisco California
2. Department of Epidemiology & Biostatistics; University of California, San Francisco; San Francisco California
3. Department of Neurology; Boston Children's Hospital; Harvard Medical School; Boston Massachusetts
4. Department of Neurology; Massachusetts General Hospital; Harvard Medical School; Boston Massachusetts
5. Departments of Neurology and Pediatrics; Children's Hospital of Philadelphia and Perelman School of Medicine; University of Pennsylvania; Philadelphia Pennsylvania
6. Departments of Neurology and Pediatrics; Stanford University; Palo Alto California
7. Department of Neurology; Children's National Health System; George Washington University School of Medicine; Washington District of Columbia
8. Division of Neonatal and Developmental Medicine; Department of Pediatrics; Stanford University; Palo Alto California
9. Departments of Anesthesia and Critical Care Medicine; Children's Hospital of Philadelphia; Perelman School of Medicine; University of Pennsylvania; Philadelphia Pennsylvania
10. Division of Neurology; Department of Pediatrics; Cincinnati Children's Hospital Medical Center; University of Cincinnati; Cincinnati Ohio
11. Division of Pediatric Neurology and Developmental Medicine; Department of Pediatrics; Duke University School of Medicine; Durham North Carolina
12. Department of Pediatrics; University of Michigan; Ann Arbor Michigan