1. Department of Neurology; Institute of Neurosciences at Favaloro University; Buenos Aires Argentina
2. Institute of Cognitive Neurology (INECO); Buenos Aires Argentina
3. Department of Neurology; British Hospital; Buenos Aires Argentina
4. Center of Cerebral Investigations; Institute of Neurosciences; Junta de Beneficencia; Guayaquil Ecuador
5. Department of Neurology; Miller School of Medicine; University of Miami; Miami Florida U.S.A