1. From the Department of Neurology and Neurosurgery (G.S.S.), Federal University of São Paulo, São Paulo, Brazil; Neurology Program (G.S.S.), Albert Einstein Hospital, São Paulo, São Paulo, Brazil; Center for Innovation (S.F.), Children's Hospital, Boston, MA; Department of Obstetrics and Gynecology (E.S.), Massachusetts General Hospital, Boston, MA; Department of Neurology (A.V., L.S.), Massachusetts General Hospital, Boston, MA.