The authors acknowledge the work of their administrative assistants, Evelyn Machuca, Leticia Romero, Magda Flores, and Wendy Gonzalez, and the support provided by the Neurology Department in the use of their classrooms for training. The authors also thank Sergio Lozano-Rodriguez, MD, for his help in translating the manuscript. GECEN forms part of GESTIMED (Student Working and Research Groups in Medicine) and thanks to authorities of the School of Medicine for their support in conducting this work.