1. Department of Oncology, Binzhou Medical University Hospital, The Yellow River Two Road No. 661, Binzhou, 256603 Shandong, China
2. Department of Radiation Oncology, Gustave Roussy Cancer Campus, 94800 Villejuif, France
3. Department of Radiology, Binzhou Medical University Hospital, The Yellow River Two Road No. 661, Binzhou, 256603 Shandong, China
4. Department of Radiotherapy, Changzhou Second People’s Hospital, Affiliated to Nanjing Medical University, The Xinglong Xiang, No. 29, Changzhou, 213000 Jiangsu, China
5. Department of Radiology, Shandong Cancer Hospital and Institute, Shandong First Medical University, Jiyan Road No. 440, Jinan, 250117 Shandong, China
6. Shandong Cancer Hospital and Institute-Shandong Cancer Hospital Affiliated to Shandong University, Jiyan Road No. 440, Jinan, 250117 Shandong, China