1. Department of Neurosurgery Capital Medical University Xuanwu Hospital, Beijing China
2. Shock Trauma Center University of Maryland School of Medicine Baltimore MD USA
3. Department of Neurosurgery Tianjin Medical University General Hospital Tianjin China
4. Tianjin Institute of Neurology Tianjin China
5. Bloodworks Research Institute Seattle WA USA
6. Hematology Division Department of Medicine University of Washington School of Medicine Seattle WA USA