[1] Raul Carrea Inst Neurol Res FLENI, Neurol Dept, Buenos Aires, DF, Argentina
[2] Raul Carrea Inst Neurol Res FLENI, Ctr Epidemiol Biostat & Publ Hlth, Buenos Aires, DF, Argentina
[3] Raul Carrea Inst Neurol Res FLENI, Diagnost Imaging Serv, Buenos Aires, DF, Argentina
[4] Raul Carrea Inst Neurol Res FLENI, Integral Ctr Vasc Neurol, Buenos Aires, DF, Argentina