1. Department of Neurology, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, China
2. Medical College of Soochow University, Suzhou, Jiangsu 215006, China
3. Jiangsu Institute of Clinical Immunology, Jiangsu Key Laboratory of Clinical Immunology, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, China
4. Department of Neurology, Nantong First People’s Hospital, Nantong, Jiangsu 226000, China
5. Department of Epidemiology and Health Statistics, Soochow University, Suzhou, Jiangsu 215006, China
6. Suzhou Red Cross Central Blood Station, Suzhou, Jiangsu 215006, China