1. Department of General Pediatrics and
2. Ambulatory Care Services, Denver Health, Denver, Colorado;
3. Department of Pediatrics and
4. Department of Biostatistics and Informatics, Colorado School of Public Health, Aurora, Colorado; and
5. Adult and Child Consortium for Health Outcomes Research and Delivery Science, University of Colorado Anschutz Medical Campus, Aurora, Colorado;
6. Institute for Health Research, Kaiser Permanente Colorado, Aurora, Colorado
7. Department of Family Medicine, School of Medicine, University of Colorado, Aurora, Colorado;
8. Section of Pediatric Infectious Diseases, Children's Hospital Colorado, Aurora, Colorado;