1. State Key Laboratory of Virology
2. Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (MOE) and Hubei Provincial Key Laboratory of Developmentally Originated Disease
3. Wuhan University School of Pharmaceutical Sciences
4. Wuhan 430071
5. China
6. Molecular Imaging Program at Stanford (MIPS)
7. Bio-X Program, and Department of Radiology
8. Canary Center at Stanford for Cancer Early Detection
9. Stanford University
10. California 94305-5344
11. Chinese Academy of Medical Science
12. Peking Union Medical College Hospital
13. Department of Ultrasound
14. Beijing