[1] NINDS, Surg Neurol Branch, NIH, Bethesda, MD 20892 USA
[2] Univ Alabama Birmingham, Dept Neurol, Birmingham, AL 35294 USA
[3] NCI, Pathol Lab, NIH, Bethesda, MD 20892 USA
[4] NIH, Neuroradiol Sect, Warren Grant Magnuson Clin Ctr, Bethesda, MD 20892 USA
[5] NINDS, EEG Sect, NIH, Bethesda, MD 20892 USA
[6] NINDS, Clin Epilepsy Sect, NIH, Bethesda, MD 20892 USA