1. Laboratory of Image Science and Technology School of Computer Science and Engineering Southeast University Nanjing Jiangsu P.R. China
2. Department of Radiation Oncology Physics and Technology Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences Jinan P.R. China
3. Shandong Key Laboratory of Digital Medicine and Computer Assisted Surgery The Affiliated Hospital of Qingdao University Qingdao P.R. China
4. The Comprehensive Cancer Centre of Nanjing Drum Tower Hospital The Affiliated Hospital of Nanjing University Medical School Nanjing Jiangsu P.R. China