[1] SUNY Buffalo, Dept Neurosurg, Buffalo, NY 14209 USA
[2] SUNY Buffalo, Dept Radiol, Sch Med & Biomed Sci, Buffalo, NY 14209 USA
[3] SUNY Buffalo, Toshiba Stroke Res Ctr, Buffalo, NY USA
[4] Millard Fillmore Gates Circle Hosp Kaleida Hlth, Dept Neurosurg, Buffalo, NY USA