1. Department of Internal Medicine, Universidad Industrial de Santander, Bucaramanga, Colombia
2. Grupo de Investigación Biomedicina, Faculty of Medicine, Fundación Universitaria Autónoma de las Américas, Pereira, Colombia
3. Master of Clinical Epidemiology and Biostatistics, Universidad Cientifica del Sur, Lima, Peru
4. Hospital Infantil de México, Federico Gómez, Mexico City, Mexico
5. Department of Clinical and Administrative Pharmacy, College of Pharmacy, University of Georgia, Albany, GA, USA
6. Department of Internal Medicine, Yale University, Waterbury, CT, USA
7. Division of Infectious Diseases, School of Medicine, University of Colorado, Anschutz Medical Campus, Aurora, CO, USA
8. Division of Infectious Diseases, School of Medicine, University of Colorado, Anschutz Medical Campus, 12700 E. 19th Avenue, Mail Stop B168, Aurora, CO 80045, USA