1. Yale School of Medicine, Department of Emergency Medicine, New Haven, Connecticut; Yale Program in Addiction Medicine, New Haven, Connecticut
2. Yale School of Medicine, Department of Emergency Medicine, New Haven, Connecticut; Yale School of Medicine, Department of Pediatrics, New Haven, Connecticut
3. Yale University, Harvey Cushing/John Hay Whitney Medical Library, New Haven, Connecticut
4. University of California Irvine School of Medicine, Department of Emergency Medicine, Irvine, California