1. Dalian Medical University; Dalian P.R. China
2. Cancer Hospital of China Medical University; Shenyang P.R. China
3. Liaoning Cancer Hospital & Institute; Shenyang P.R. China
4. CAS Key Laboratory of Molecular Imaging, Institute of Automation, Chinese Academy of Sciences; Beijing P.R. China
5. University of Chinese Academy of Sciences; Beijing P.R. China
6. University of Electronic Science and Technology of China; Chengdu Sichuan P.R. China