1 Department of Neurology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China (X.H., X.T., L.Y.); Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China (H.Z., B.X.); Department of Radiology, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania (H.X.B.).
2 Department of Neurology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China (X.H., X.T., L.Y.); Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China (H.Z., B.X.); Department of Radiology, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania (H.X.B.) yangli762@gmail.com.