1. Department of Neurology , Tianjin Neurological Institute, Tianjin Medical University General Hospital , Tianjin , P.R. China
2. KingMed Center for Clinical Laboratory Co., Ltd. , Guangzhou , P.R. China
3. China National Clinical Research Center for Neurological Diseases, Advanced Innovation Center for Human Brain Protection , Beijing Tiantan Hospital, Capital Medical University , Beijing , P.R. China