[1] Sun Yat Sen Univ, Canc Ctr, Dept Med Oncol, Guangzhou 510060, Peoples R China
[2] Sun Yat Sen Univ, Canc Ctr, Collaborat Innovat Ctr Canc Med, State Key Lab Oncol South China, Guangzhou 510060, Peoples R China
[3] Guangzhou Med Univ, Affiliated Hosp 1, Guangzhou Inst Resp Hlth, State Key Lab Resp Dis,Natl Clin Res Ctr Resp Dis, Guangzhou 510120, Peoples R China
[4] Sun Yat Sen Univ, Affiliated Hosp 6, Dept Colorectal & Anal Surg, Guangzhou 510655, Peoples R China
[5] Sun Yat Sen Univ, Affiliated Hosp 6, Guangdong Inst Gastroenterol, Guangdong Prov Key Lab Colorectal & Pelv Floor Dis, Guangzhou 510655, Peoples R China
[6] Guangzhou Med Univ, Clin Med Coll 2, Guangzhou 511436, Peoples R China
[7] Jinan Univ, Coll Pharm, Dept Pharmacol, Guangzhou 510632, Peoples R China