1 The Sixth Affiliated Hospital of Nantong University, General Department of the Third People Hospital of Yancheng City, Yancheng, Jiangsu 224001, PR China.
2 Medical School of Nantong University, Nantong, Jiangsu 226007, PR China.
3 The Sixth Affiliated Hospital of Nantong University, Department of Neurology, Yancheng Third People Hospital, Ancheng 224001, Jiangsu, PR China.