1. Department of Emergency Medicine, University of Cincinnati College of Medicine, OH (C.T.R., J.T.M.).
2. Department of Emergency Medicine, Michigan State University College of Human Medicine, Grand Rapids (J.A.O.).
3. Department of Neurology, University of Virginia, Charlottesville (S.N.C.).
4. Department of Emergency Medicine, University of Michigan, Ann Arbor (L.E.M.).
5. Department of Emergency Medicine, Renaissance School of Medicine at Stony Brook University, NY (E.S.B.).
6. College of Nursing, University of Tennessee Health Science Center, Memphis (A.W.A.).
7. Department of Neurology, University of Texas Houston McGovern Medical School (A.L.C., J.C.M.-G.).
8. Department of Emergency Medicine, University of Pittsburgh, PA (C.M.-G.).
9. Department of Emergency Medicine, The Ohio State University Wexner Medical Center, Columbus (A.R.P.).
10. Department of Emergency Medicine, Massachusetts General Hospital, Boston (K.S.Z.).