1. 1Center for Global Health, Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Department of Pediatrics, Aurora, Colorado;
2. 2University of Minnesota School of Medicine & Masonic Children’s Hospital, Department of Pediatrics, Minneapolis, Minnesota;
3. 3University of Wisconsin School of Medicine & Public Health, Department of Pediatrics, Madison, Wisconsin;
4. 4University of Louisville School of Medicine, Department of Pediatrics, Louisville, Kentucky;
5. 5University of Minnesota School of Medicine & Masonic Children’s Hospital, Department of Pediatrics, Division of Pediatric Emergency Medicine, Minneapolis, Minnesota