[1] Univ Texas Southwestern, Dept Neurol & Neurotherapeut, Dallas, TX USA
[2] Univ Pittsburgh, Dept Neurol, Pittsburgh, PA 15260 USA
[3] Univ Virginia, Dept Radiol & Med Imaging, Charlottesville, VA USA
[4] Univ Virginia, Dept Neurol, Charlottesville, VA USA
[5] UC Davis Med Ctr, Dept Radiol, Davis, CA USA
[6] W Virginia Univ, Dept Emergency Med, Morgantown, WV 26506 USA
[7] Ctr Dis Control & Prevent, Atlanta, GA USA
[8] Natl Stroke Assoc, Englewood, CO USA
[9] Natl Assoc EMS Officials, Falls Church, VA USA
[10] VA Med Ctr, Dept Neurol, Cleveland, OH USA
[11] Johns Hopkins Univ Hosp, Dept Neurosurg, Baltimore, MD 21287 USA
[12] Inova Inc, San Diego, CA USA
[13] Amer Heart Assoc, Dallas, TX USA
[14] NINDS, Bethesda, MD 20892 USA