1. Department of Biomedical Engineering School of Medicine Tsinghua University Beijing 100084 China
2. Orthopedic Department Second Hospital of Shanxi Medical University Taiyuan Shanxi 030001 China
3. Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 China
4. School of Engineering Medicine Beihang University Beijing 100191 China
5. Interdisciplinary Institute for Cancer Diagnosis and Treatment Beijing Advanced Innovation Center for Biomedical Engineering Beihang University Beijing 100191 China