1. From the Department of Psychiatry, Children's Hospital/Harvard Medical School, Boston, Massachusetts; the
2. Department of Quality Improvement, Children's Hospital/Harvard Medical School, Boston, Massachusetts; the
3. Division of Pharmacoepidemiology and Pharmacoeconomics, Brigham and Women's Hospital/Harvard Medical School, Boston, Massachusetts; the
4. Department of Health Care Policy, Harvard Medical School, Boston, Massachusetts; and the
5. Emergency Department, Children's Hospital/Harvard Medical School, Boston, Massachusetts.