From the Department of Neurology (E.C., O.D., M.W.K., J.E.Y., D.F.), NYU School of Medicine; Department of Epidemiology (D.C.H.), Columbia University Medical Center, New York, NY; San Diego County Medical Examiner's Office (M.B.), CA; Maryland Office of the Chief Medical Examiner (L.L., D.R.F.), Baltimore; New York City Office of Chief Medical Examiner (J.K.G.), New York; and Division of Neurology, Department of Paediatrics (A.E.K., E.J.D.), the Hospital for Sick Children, Toronto, Canada. Daniel.Friedman@nyulangone.org.