[1] Sun Yat Sen Univ, Dept Radiat Oncol, Canc Ctr, Guangzhou, Peoples R China
[2] Collaborat Innovat Ctr Canc Med, State Key Lab Oncol South China, Guangzhou, Peoples R China
[3] Sun Yat Sen Univ, Canc Ctr, Guangzhou, Peoples R China
[4] Guangdong Inst Gastroenterol, Natl Key Clin Discipline, Guangdong Prov Key Lab Colorectal & Pelv Floor Di, Guangzhou, Peoples R China
[5] Peking Univ, Canc Hosp & Inst, Minist Educ Beijing, Dept Radiat Oncol,Key Lab Carcinogenesis & Transl, Beijing, Peoples R China
[6] Sun Yat Sen Univ, Canc Ctr, State Key Lab Oncol South China, Collaborat Innovat Ctr Canc Med,Guangdong Key Lab, Guangzhou, Peoples R China
[7] Sun Yat Sen Univ, Ctr Canc, State Key Lab Oncol South China, Collaborat Innovat Ctr Canc Med, Guangzhou, Peoples R China
[8] Sun Yat Sen Univ, Ctr Canc, Dept Colorectal Surg, State Key Lab Oncol South China,Collaborat Innova, Guangzhou, Peoples R China
[9] Sun Yat Sen Univ, Affiliated Hosp 6, Dept Radiat Oncol, Guangzhou 510655, Guangdong, Peoples R China