[Gui, Ruohu; Zhang, Danxia; Wu, Youxing; Shu, Baolian; Wang, Xiaoyang; Hu, Jianlan] Cent Hosp Hengyang City, Dept Gastroenterol, Hengyang, Hunan, Peoples R China.
[Gong, Xianghao] Cent Hosp Hengyang City, Dept Med Oncol, Hengyang, Hunan, Peoples R China.
[He, Saiqi] Cent Hosp Hengyang City, Dept Gen Surg, Hengyang, Hunan, Peoples R China.
[Chen, Xuan; Xie, Yangzhi] Univ South China, Affiliated Nanhua Hosp, Hengyang Med Sch, Dept Neurosci, Hengyang, Hunan, Peoples R China.
[Gui, Ruohu; Gui, RH] Cent Hosp Hengyang City, Dept Gastroenterol, Hengyang 421001, Hunan, Peoples R China.