1. From the Department of Medicine, Division of Neurology, Duke University Medical Center (L.B.G.), Durham, NC; the Department of Neurology, Denis Diderot University (P.A.), Paris, France; the Department of Neurology, University of California (J.Z.), San Diego, Calif; Pfizer (M.M.), New York, NY; Minneapolis Clinic of Neurology (I.A.), Golden Valley, Minn; Neurologic Consultants (A.C.), Nashville, Tenn; the Department of Neurology, University of Heidelberg (M.H.), Mannheim, Germany; the Department of...