1. School of Medicine; Universidad Espíritu Santo - Ecuador; Guayaquil Ecuador
2. Department of Neurological Sciences; Hospital-Clínica Kennedy; Guayaquil Ecuador
3. Medical Center; Vanderbilt University; Nashville TN
4. Langone Medical Center; New York University; New York NY
5. Sleep Disorders Center; Mayo Clinic College of Medicine; Jacksonville FL
6. Community Center; The Atahualpa Project; Atahualpa Ecuador