1. Center for Policy and Research in Emergency Medicine, Department of Emergency Medicine, Oregon Health & Science University, Portland, Oregon
2. Department of Pediatrics, University of Utah School of Medicine, Salt Lake City, Utah
3. Department of Pediatrics, Dell Medical School, University of Texas at Austin, Austin, Texas
4. Department of Emergency Medicine, Icahn School of Medicine at Mount Sinai, New York, New York
5. Department of Surgery, New York University Grossman School of Medicine, New York, New York
6. Department of Emergency Medicine, University at Buffalo, Buffalo, New York
7. School of Public Policy, University of California at Riverside, Riverside, California