1. Department of Emergency Medicine (L.E.M., C.B.S., W.J.M.), University of Michigan, Ann Arbor.
2. University of Michigan Stroke Program, Ann Arbor (L.E.M., C.B.S., W.J.M.).
3. Department of Emergency Medicine, University of Cincinnati College of Medicine, OH (C.T.R.).
4. University of Cincinnati (UC) Stroke Team, OH (C.T.R.).
5. Department of Neurology (W.J.M.), University of Michigan, Ann Arbor.