1. Department of Radiation Oncology, Sun Yat‐sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy Guangzhou Guangdong 510060 P. R. China
2. Perception vision medical technology co. LTD Guangzhou Guangdong 510275 P. R. China
3. School of Data and Computer Science, Sun Yat‐sen University Guangdong Province Key Laboratory of Computational Science Guangzhou Guangdong 510275 P. R. China