1. Department of Radiology The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University Guangzhou Guangdong China
2. Department of Medical Imaging Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine Guangzhou Guangdong China
3. Department of Geriatrics, Guangzhou First People's Hospital, School of Medicine South China University of Technology Guangzhou Guangdong China
4. Department of Geriatrics, Guangzhou First People's Hospital Guangzhou Medical University Guangzhou Guangdong China