1. Department of Oncology, Shandong Provincial Hospital Affiliated with Shandong University, Jinan, Shandong Province 250021, China.
2. Imaging and Interventional Center, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong Province 510060, China.
3. Department of Oncology, Teng Zhou Central People's Hospital Affiliated with Jining Medical College, Tengzhou, Shandong Province 277500, China.
4. Department of Oncology, Jinan Military General Hospital of Chinese People's Liberation Army, Jinan, Shandong Province 250021, China.