Updates on attention deficit hyperactivity disorder, child abuse and neglect, and sudden infant death syndrome

Department of Medicine, Children's Hospital, Boston, and Clinical Instructor in Pediatrics, Harvard Medical School, Boston, Massachusetts, USA. Correspondence to Katie Campbell Daley, MD, Department of Pediatrics, Harvard Vanguard Medical Associates, 291 Independence Drive, West Roxbury, MA 02467, USA; e-mail: [email protected]