Hospital Sacre-Coeur de Montreal, Montreal, Canada
University of Ottawa Heart Institute, Ottawa, Canada
National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda, Maryland, United States
National Institute of Neurological Disorders and Stroke (NINDS), Bethesda, Maryland, United States
National Institute of Neurological Disorders and Stroke (NINDS), Bethesda, Maryland, United States
National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda, Maryland, United States
National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda, Maryland, United States
National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda, Maryland, United States
National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda, Maryland, United States
National Institute of Neurological Disorders and Stroke (NINDS), Bethesda, Maryland, United States
National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda, Maryland, United States