1. Millard Fillmore Gates Hospital, Kaleida Health;
2. United States Naval Hospital, Okinawa, Japan; and
3. Department of Neurosurgery and Toshiba Stroke Research Center;
4. Department of Neurosurgery, Mayo Clinic, Jacksonville, Florida
5. Department of Radiology, School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York, Buffalo, New York;