1. 1Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China and Collaborative Innovation Center for Cancer Medicine, Guangzhou, China.
2. 2Department of Clinical Laboratory Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.
3. 3Department of Pathology, Sun Yat-sen University Cancer Center, Guangzhou, China.
4. 4Department of Pancreaticobiliary Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China.
5. 5Guangdong Provincial People's Hospital & Guangdong Academy of Medical Sciences, Guangzhou, China.
6. 6Department of Etiology and Carcinogenesis, National Cancer Center/National Clinical Research Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
7. 7Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, Nanjing Medical University, Nanjing, China.