1. From the Robert Wood Johnson Foundation Clinical Scholars Program (K.S., J.F.B.), Department of Emergency Medicine (K.S., P.A.S., W.J.M.), HSR&D Center for Clinical Management Research, Veterans Affairs Ann Arbor Healthcare System (K.S., J.F.B., D.A.L.), Department of Neurology (J.F.B., D.A.L., W.J.M.), and Department of Internal Medicine (D.A.L.), University of Michigan, Ann Arbor.