1. Center for Molecular Imaging and Nuclear Medicine; School of Radiological and Interdisciplinary Sciences (RAD-X); Soochow University, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions; Suzhou Jiangsu 215123 China
2. School of Mechanical and Electronic Engineering; Soochow University; Suzhou Jiangsu 215021 China
3. School of Computer Science and Engineering; Soochow University; Suzhou Jiangsu 215021 China
4. Department of Ultrasounds; the First Affiliated Hospital of Soochow University; 188 Shizi Street Suzhou 215006 China
5. Department of Radiology; the First Affiliated Hospital of Soochow University; 188 Shizi Street Suzhou 215006 China
6. Department of Radiation Oncology; Mayo Clinic in Arizona; Phoenix AZ USA
7. Department of Radiation Oncology; Washington University; St. Louis MO USA