1. Department of Neurology; Jiangsu Geriatric Hospital; Jiangsu China
2. Department of Neurology; Nanjing First Hospital, Nanjing Medical University; Jiangsu China
3. Intensive Care Unit; Clinical Medical College of Yangzhou University, Subei People's Hospital of Jiangsu Province; Jiangsu China
4. Department of Neurology, Affiliated Nanjing Jiangning Hospital; Nanjing Medical University; Jiangsu China
5. Department of Neurology; Clinical Medical College of Yangzhou University, Subei People's Hospital of Jiangsu Province; Jiangsu China