1 Department of Pediatrics, Sections of Hospital Medicine and Infectious Diseases, Children's Hospital Colorado, University of Colorado, Aurora, Colorado, USA.
2 Department of Pediatrics, Section of Pediatric Infectious Diseases, Children's Hospital Colorado, University of Colorado, Aurora, Colorado, USA.
3 Department of Pediatrics, Sections of Emergency Medicine and Hospital Medicine, Children's Hospital Colorado, University of Colorado, Aurora, Colorado, USA.