1. Neurology Department; Hospital Universitario Burgos; Burgos Spain
2. Neurology Department; Hospital Laquintinie; University of Douala; Douala Cameroon
3. Department of Neurological Sciences; Rush University; Chicago Illinois USA
4. Department of Neurological Sciences; Columbia University; New York New York USA
5. Research Unit; Hospital Universitario Burgos; Burgos Spain
6. Control Care Department; Hospital Universitario Burgos; Burgos Spain
7. Laboratory of Behavioral Sciences and Applied Psychology; University of Douala; Douala Cameroon
8. Neurology Department; Yale School of Medicine; Yale University; New Haven Connecticut USA
9. Department of Chronic Disease Epidemiology; Yale School of Public Health; Yale University; New Haven Connecticut USA
10. Center for Neuroepidemiology and Clinical Neurological Research; Yale School of Medicine; Yale University; New Haven Connecticut USA