1. Department of Neurology (MBT), University of Texas Health Science Center at Houston; Department of Neurology (SKSQ), University of California Los Angeles; Department of Neurology and Stroke Institute (AS, KT, MO, BM), University of Texas Health Science Center at Houston; Department of Cardiology (AD, SG, MJL, RWS), University of Texas Health Science Center at Houston; and Department of Neurology (NG), University of Colorado Anschutz Medical Campus.