1. Divisions of Child Neurology and Neonatal and Developmental Medicine; Stanford University; Palo Alto California U.S.A
2. Departments of Neurology and Pediatrics; San Francisco Benioff Children's Hospital; University of California; San Francisco California U.S.A
3. Department of Pediatrics and Communicable Diseases (Division of Pediatric Neurology); University of Michigan; Ann Arbor Michigan U.S.A
4. Departments of Neurology and Pediatrics; The Perelman School of Medicine at the University of Pennsylvania and the Children's Hospital of Philadelphia; Philadelphia Pennsylvania U.S.A
5. Division of Neurophysiology; Epilepsy and Critical Care; Children's National Health System; Washington District of Columbia U.S.A