1. School of Medicine, Universidad Espíritu Santo and Ecuador, Guayaquil, Ecuador
2. Sleep Disorders Center, Mayo Clinic School of Medicine, Jacksonville, FL, USA
3. School of Medicine, Stony Brook University, New York, NY, USA
4. Department of Neurology, University of Chicago, Chicago, IL, USA
5. Community Center, The Atahualpa Project, Atahualpa, Ecuador
6. Vanderbilt University Medical Center, Nashville, TN, USA
7. National Institute of Neurological Disorders and Stroke, Bethesda, MD, USA
8. Department of Neurology, Miller School of Medicine, University of Miami, Miami, Fl, USA