1. Public Health and Infection Research Group, Faculty of Health Sciences, Universidad Tecnológica de Pereira, Pereira, Colombia
2. School of Medicine, Universidad Libre, Cali, Colombia
3. Division of Infectious Diseases, University of Colorado Denver, Denver, CO, USA
4. Hospital Infantil de México, Federico Gómez, Mexico City, Mexico
5. University of Georgia College of Pharmacy, Athens, GA, USA