| Affiliation: | 1. Department of Pediatrics, Denver Health Medical Center, Denver, CO, United States;2. Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO, United States;3. Colorado School of Public Health, Aurora, CO, United States;4. Immunize Colorado, Aurora, CO, United States;5. Center for Human Development, Fundacion para la Salud Integral de los Guatemaltecos, Coatepeque, Guatemala;6. Adult and Child Consortium for Health Outcomes Research and Delivery Science (ACCORDS), Aurora, CO, United States;7. Section of Pediatric Infectious Diseases, Department of Pediatrics, Children’s Hospital Colorado, Aurora, CO, United States |
