1. Department of Surgery The Fourth Affiliated Hospital Zhejiang University School of Medicine Yiwu 322000 China
2. Molecular Imaging Program at Stanford Department of Radiology Stanford University Stanford CA 94305‐5427 USA
3. Shanghai Key Laboratory of Regulatory Biology Institute of Biomedical Sciences School of Life Sciences East China Normal University Shanghai 200241 China
4. Institute of Translational Medicine Zhejiang University Hangzhou 310009 China
5. Department of Radiology Sir Run Run Shaw Hospital Zhejiang University School of Medicine Hangzhou Zhejiang 310016 China
6. State Key Laboratory of Modern Optical Instrumentations Zhejiang University Hangzhou 310058 China