1. School of Medicine, Universidad Espíritu Santo—Ecuador, Guayaquil, Ecuador;
2. Imaging Department, Hospital-Clínica Kennedy, Guayaquil, Ecuador;
3. School of Medicine, Stony Brook University, New York, New York;
4. Vanderbilt University Medical Center, Nashville, Tennessee;
5. Universidad Central del Este, San Pedro de Macorís, Dominican Republic;
6. Community Center, The Atahualpa Project, Atahualpa, Ecuador
7. Department of Neurology, University of Chicago, Chicago, Illinois;