1. University of Colorado Health Sciences Center, Department of Surgery, Division of Emergency Medicine, Colorado Emergency Medicine Research Center, Denver, CO.
2. Hennepin County Medical Center, Department of Emergency Medicine, Minneapolis, MN.
3. Eudowood Division of Pediatric Respiratory Sciences, Johns Hopkins University, Baltimore, MD.
4. University of Colorado Health Sciences Center, Department of Psychiatry, Denver, CO.
5. University of Colorado Health Sciences Center, Department of Pediatrics, Section of Neonatology, Denver, CO.