1. Department of Neurology and Comprehensive Stroke Center; David Geffen School of Medicine at the University of California-Los Angeles (UCLA); Los Angeles CA
2. Division of Neuroradiology and Comprehensive Stroke Center; David Geffen School of Medicine at the University of California-Los Angeles (UCLA); Los Angeles CA
3. Departments of Emergency Medicine and Neurology, and Comprehensive Stroke Center; David Geffen School of Medicine at the University of California-Los Angeles (UCLA); Los Angeles CA