[1] Harvard Med Sch, Athinoula A Martinos Ctr Biomed Imaging, Massachusetts Gen Hosp, Boston, MA 02115 USA
[2] Capital Med Univ, Sanbo Brain Hosp, Dept Neurosurg, Beijing, Peoples R China
[3] Beijing Inst Brain Disorders, Ctr Epilepsy, Beijing, Peoples R China
[4] Emory Univ, Yerkes Imaging Ctr, Yerkes Natl Primate Res Ctr, Atlanta, GA 30322 USA
[5] Emory Univ, Sch Med, Dept Radiol & Imaging Sci, Atlanta, GA 30322 USA