Jeffrey J Bazarian1,2, Frederick Korley3, Rebekah Mannix4. 1. Department of Emergency Medicine, University of Rochester School of Medicine and Dentistry, Rochester, New York. 2. Department of Neurology, University of Rochester School of Medicine and Dentistry, Rochester, New York. 3. Department of Emergency Medicine, University of Michigan Medical School, Ann Arbor. 4. Division of Emergency Medicine, Boston Children's Hospital, Boston, Massachusetts.