1. From the Department of Neurology, University of Utah, Salt Lake City (J.J. Majersik); University of Maryland Medical Center, and Veterans Affairs Medical Center, Baltimore (J.W.C.); Queensland Research Center for Peripheral Vascular Disease, Department of Vascular and Endovascular Surgery, James Cook University and the Townsville Hospital, Townsville, Queensland, Australia (J.G.); Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston (N.S.R., M.E.G., H.A., J....