[Li, Xiuhua; Zhang, Yali; Wu, Kuangming] Yiyang Cent Hosp, Dept Gastroenterol, Yiyang, Peoples R China.
[Ding, Fengjiao; Luo, Pandeng] Yiyang 1 Middle Sch, Yiyang, Peoples R China.
[Yang, Jing] Univ South China, Affiliated Hosp 1, Dept Gastroenterol, Hengyang, Peoples R China.
[Liu, Zhenhua] Yiyang Cent Hosp, Dept Nephrol, Yiyang, Peoples R China.
[Liu, Zhenhua] Yiyang Cent Hosp, Dept Intens Care Unit, Yiyang, Peoples R China.