1. Department of Epidemiology and Center for Global Health Colorado School of Public Health Aurora Colorado USA
2. Department of Pediatrics (Infectious Diseases and Epidemiology, Pathology and Laboratory Medicine) University of Colorado School of Medicine and Children's Hospital Colorado Aurora Colorado USA
3. Department of Pediatrics (Emergency Medicine) University of Colorado School of Medicine and Children's Hospital Colorado Aurora Colorado USA
4. Department of Pediatrics (Infectious Diseases, Epidemiology and Hospital Medicine) University of Colorado School of Medicine and Children's Hospital Colorado Aurora Colorado USA