Andrei V. Alexandrov, MD, RVT#60;br#62;#60;p#62;Assistant Professor of Neurology and Radiology#60;br#62;#60;p#62;Director, STAT Neurosonology Service and #60;br#62;#60;p#62;Center for Noninvasive Brain Perfusion Studies#60;br#62;#60;p#62;Stroke Program, University of Texas-Houston Medical School#60;br#62;#60;p#62;Houston, TX