[Tang, Fenfen; Long, Zhi; Wang, Yaodong; Xu, Chenguang; Liu, Yanping; Li, Guoqing] Univ South China, Affiliated Hosp 2, Dept Gastroenterol, 35 Jiefang Ave, Hengyang 421001, Hunan, Peoples R China.
[Xu, Chenguang; Li, Junda] Peoples Hosp Longhua Dist, Dept Gastroenterol, Shenzhen, Peoples R China.
[Xie, Juan] Univ South China, Hengyang Med Coll, Res Lab Translat Med, Hengyang, Peoples R China.
[Xie, Juan] Univ South China, Hengyang Med Coll, Inst Pharm & Pharmacol, Hengyang, Peoples R China.
[Luo, Jiangyan] Guangzhou Med Univ, Qingyuan Peoples Hosp, Affiliated Hosp 6, Dept Ultrasonog, Qingyuan, Peoples R China.