[Liu, Xuan; Chen, Guodong; Lv, Deguan; Han, Dong; Lei, Junyue; Huang, Qiulin; Cao, Chao; Yu, Jia] Univ South China, Affiliated Hosp 1, Dept Gen Surg, 69 Chuanshan Rd, Hengyang 421001, Hunan, Peoples R China.
[Chen, Linxi] Univ South China, Sch Med, Inst Pharm & Pharmacol, Hengyang 421001, Hunan, Peoples R China.
[Li, Zhongyu] Univ South China, Sch Med, Dept Microbiol, 28 Changsheng Rd, Hengyang 421001, Hunan, Peoples R China.