1. From the Department of Neurology (B.M.C.), Arizona Health Science Center, Tucson, Ariz; Department of Neurology (L.S.W.), Indiana University School of Medicine, Research Scientist, Regenstrief Institute for Health Care, Indianapolis, Ind; Department of Neurology (L.B.G.), Duke Center for Cerebrovascular Disease, Duke Center for Clinical Health Policy Research, and Durham VA Medical Center, Durham, NC; Department of Neurology (J.F.M.), Mayo Clinic/Jacksonville, Fla; Texas Neurology, PC (D.H.), Dallas...