1. Department of Blood Transfusion Peking University People's Hospital Beijing China
2. Department of Neurology Peking University First Hospital Beijing China
3. Guangdong Innovation Platform of Translational Research for Cerebrovascular Diseases The First Affiliated Hospital of Shenzhen University Shenzhen China
4. Department of Immunology and Key Laboratory of Medical Immunology of Ministry of Public Health Peking University Health Science Center Beijing China