1. School of Engineering Medicine and School of Biological Science and Medical Engineering, Beihang University, China
2. CAS Key Laboratory of Molecular Imaging, the Beijing Key Laboratory of Molecular Imaging, Institute of Automation, Chinese Academy of Sciences, Beijing, China
3. School of Computer and Information Technology, Beijing Jiaotong University, China
4. School of Instrumentation and Optoelectronic Engineering, Beihang University, China
5. CAS Key Laboratory of Molecular Imaging, the Beijing Key Laboratory of Molecular Imaging, Institute of Automation, Chinese Academy of Sciences, China
6. School of Engineering Medicine and School of Biological Science and Medical Engineering, Beihang University, Beijing, China