1. Department of Radiology, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy Sun Yat‐sen University Cancer Center Guangzhou People's Republic of China
2. Department of Radiology The Third People's Hospital of Shenzhen Shenzhen People's Republic of China
3. Department of Radiology Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University) Haikou People's Republic of China