[Yao, Jun; Li, De Feng; Wang, Li Sheng] Jinan Univ, Shenzhen Peoples Hosp, Clin Med Sch 2, Dept Gastroenterol, Shenzhen, Guangdong, Peoples R China.
[Li, De Feng] Jinan Univ, Integrated Chinese & Western Med Postdoctoral Res, Guangzhou, Guangdong, Peoples R China.
[Li, De Feng; Wang, Nan Nan] Univ South China, Affiliated Hosp 1, Dept Gastroenterol, Hengyang, Hunan, Peoples R China.
[Chang, Xin; Bai, Yu; Li, Zhao Shen; Bai, Y; Wang, Shu Ling] Second Mil Med Univ, Naval Med Univ, Changhai Hosp, Dept Gastroenterol, 168 Changhai Rd, Shanghai 200433, Peoples R China.