1. Department of Neurology, The Affiliated Lianyungang Hospital of Xuzhou Medical University , Lianyungang , China
2. Department of Geriatrics, Lianyungang Hospital Affiliated to Jiangsu University (Lianyungang Second People’s Hospital) , Lianyungang , China
3. Department of Geriatrics , Lianyungang Clinical College of Bengbu Medical College (Lianyungang Second People’s Hospital) , Lianyungang , China
4. Department of Geriatrics , Lianyungang Hospital Affiliated to Jiangsu University (Lianyungang Second People’s Hospital) , Lianyungang , China
5. Department of Neurology, Lianyungang Second People’s Hospital , Lianyungang , China
6. Department of Neurology, Suzhou Industrial Park Xinghai Hospital , Suzhou , China
7. Department of Neurology , Lianyungang Hospital affiliated to Xuzhou Medical University , Lianyungang , China