1. Department of Child and Adolescent Psychiatry (Cervantes, Seag, Baroni, Gerson, Horwitz) and Ronald O. Perelman Department of Emergency Medicine (Knapp, Tay, Wiener), New York University Grossman School of Medicine, New York City; Child and Adolescent Psychiatry (Baroni, Gerson) and Pediatrics Emergency Medicine (Knapp, Tay, Wiener), Bellevue Hospital Center, New York City.