Cincinnati Children's Hospital Medical Center - Division of Emergency Medicine, Mount Sinai School of Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati Children's Hospital Medical Center, Cincinnati Children's Hospital Medical Center, Ann & Robert H. Lurie Children’s Hospital of Chicago, University of Alberta, Thomas Jefferson University, Yale University - School of Medicine, University of Calgary, Yale University - School of Medicine, Children’s Minnesota, Stanford University - School of Medicine, Medical College of Wisconsin, Harvard University - Massachusetts General Hospital, Harvard University - Massachusetts General Hospital, Johns Hopkins University - School of Medicine, University of Missouri at Kansas City, University of Mississippi - University of Mississippi Medical Center, University of Colorado at Denver - Children’s Hospital Colorado, Stanford University - Department of Medicine, University of Oklahoma - University of Oklahoma Health Sciences Center, University of Southern California - Children’s Hospital Los Angeles, University of Utah, University of Pennsylvania - Children's Hospital of Philadelphia, Columbia University - Vagelos College of Physicians and Surgeons (P&S), Rady Children's Hospital, Medical University of South Carolina, University of Texas at Dallas - Southwestern Medical Center, Johns Hopkins University - School of Medicine, University of Vermont, Thomas Jefferson University, Baylor College of Medicine, Valley Children's Hospital, University of Minnesota - Minneapolis - Department of Pediatrics, McGovern Medical School at UTHealth, University of Colorado at Denver - Children’s Hospital Colorado, Medical College of Wisconsin, Yeshiva University - Jacobi Medical Center, Cincinnati Children's Hospital Medical Center - Division of Emergency Medicine and Independent