1 Department of Neurology, Loudi Center Hospital, Clinical Medical College of Nanhua University, Loudi, Hunan 417000, China.
2 Department of Neurology, Huashan Hospital, Fudan University, Shanghai 200040, China.
3 Department of Neurology, Huashan Hospital, Fudan University, Fudan University, Shanghai 200040; Department of Neurology, Jing'an District Centre Hospital of Shanghai, Shanghai 200040, China.