1 State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, China.
2 Department of Experimental Research, Sun Yat-sen University Cancer Center, Guangzhou, China.
3 Department of Pancreatobiliary Surgery, Sun Yat-sen University Cancer Center, Guangzhou, China.
4 Department of Radiation Oncology, Shanghai Jiao Tong University Medical School Affiliated Ruijin Hospital, Shanghai, China.
5 Department of Radiation Oncology, Sun Yat-sen University Cancer Center, Guangzhou, China.