1. Center for Molecular Imaging Research Shanghai Institute of Materia Medica Chinese Academy of Sciences Shanghai 201203 China
2. Molecular Imaging Program at Stanford (MIPS) Bio‐X Program and Department of Radiology Canary Center at Stanford for Cancer Early Detection Stanford University Stanford CA 94305–5344 USA
3. Division of Oncology Departments of Medicine and Pathology Stanford University School of Medicine Stanford CA 94305 USA
4. CAS Key Laboratory of Molecular Imaging The State Key Laboratory of Management and Control for Complex Systems Beijing Key Laboratory of Molecular Imaging Institute of Automation Chinese Academy of Sciences Beijing 100190 China