[1]Nanjing Med Univ, Affiliated Shanghai Peoples Hosp 10, Dept Neurol, 301 Yanchang Rd, Shanghai 200072, Peoples R China.
[2]Shanghai Jiao Tong Univ, Sch Med, Dept Oncol, Shanghai Peoples Hosp 9, 280 Mohe Rd, Shanghai 201999, Peoples R China.
[3]Shanghai Jiao Tong Univ, Sch Med, Dept Neurol, Shanghai Peoples Hosp 9, 280 Mohe Rd, Shanghai 201999, Peoples R China.
[4]Fudan Univ, Shanghai Peoples Hosp 5, Dept Neurol, 801 Heqing Rd, Shanghai 200240, Peoples R China.
[5]Tongji Univ, Dept Neurol, Shanghai Peoples Hosp 10, 301 Yanchang Rd, Shanghai 200072, Peoples R China.