University of Nebraska Medical Center, University of Colorado at Denver - Division of Infectious Diseases, Hospital Infantil de México Federico Gómez, University of Southern California, Yale University, Harvard University - Harvard Medical School, Tribhuvan University, University of Colorado, Aurora - Department of Neurology, University of Colorado at Boulder, University of Colorado, Aurora - Anschutz School of Medicine, University of Colorado, Aurora - Anschutz School of Medicine, University of Colorado, Aurora - Anschutz School of Medicine and University of Colorado, Aurora - Anschutz School of Medicine