1 Neurological Department of the First Medical Center, Chinese PLA General Hospital; Department of Neurology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, P.R. China.
2 Geriatric Neurological Department of the Second Medical Center and National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, P.R. China.
3 Neurological Department of the First Medical Center, Chinese PLA General Hospital, P.R. China.
4 Neurological Department, First Affiliated Hospital of Shanxi Medical University, P.R. China.
5 Department of Neurology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, P.R. China.