1. Harvard Medical Toxicology Program, Division of Emergency Medicine, Boston Children’s Hospital, Boston, MA.
2. Department of Emergency Medicine, Brigham and Women’s Hospital, Boston, MA.
3. Department of Emergency Medicine, Maine Medical Center, Portland, ME.
4. Department of Emergency Medicine, Beth Israel Deaconess Medical Center, Boston, MA.
5. Division of Emergency Medicine, Boston Children’s Hospital, Boston, MA.