1 From Pediatric Neurology (G.J.M.), University of Rochester Medical Center, NY; and Department of Paediatrics (F.M.C.), Imperial College London, UK. Gary_Myers@urmc.rochester.edu.
2 From Pediatric Neurology (G.J.M.), University of Rochester Medical Center, NY; and Department of Paediatrics (F.M.C.), Imperial College London, UK.