1. Department of Pediatrics, Medical School, University of Antioquia, Medellín, Colombia;
2. Division of Pediatric Infectious Diseases, Hospital San Vicente Fundación Medellín, Colombia;
3. Resident in Pediatrics, Medical School, University of Antioquia, Medelllín, Colombia;
4. Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Perú