[1] Univ South China, Affiliated Hosp 1, Canc Res Inst, Hengyang Med Sch, Hengyang 421001, Peoples R China
[2] Univ South China, Affiliated Hosp 1, Hengyang Med Sch, Dept Clin Lab Med, Hengyang 421001, Peoples R China
[3] Univ South China, Affiliated Hosp 1, Inst Clin Med, Hengyang Med Sch, Hengyang 421001, Peoples R China
[4] Univ South China, Affiliated Hosp 2, Hengyang Med Sch, Dept Hepatobiliary Surg, Hengyang 421001, Peoples R China
[5] Univ South China, Affiliated Hosp 1, Hengyang Med Sch, Dept Gastrointestinal Surg, Hengyang 421001, Peoples R China
[6] Cent South Univ, Xiangya Hosp, Inst Mol Precis Med, Changsha 410008, Peoples R China
[7] Cent South Univ, Xiangya Hosp, Hunan Key Lab Mol Precis Med, Changsha 410008, Peoples R China