1. Department of Pediatrics (Infectious Diseases, Hospital Medicine and Epidemiology), University of Colorado School of Medicine and Children’s Hospital Colorado, Aurora, Colorado, USA
2. Adult and Child Center for Health Outcomes Research and Delivery Science, University of Colorado School of Medicine, Aurora, Colorado, USA
3. Department of Epidemiology and Center for Global Health, Colorado School of Public Health, Aurora, Colorado, USA
4. Department of Pediatrics, University of Colorado School of Medicine, Department of Epidemiology and Center for Global Health, Colorado School of Public Health, Aurora, Colorado, USA