[1] Jinan Univ, Clin Med Coll 2, Dept Gastroenterol, Shenzhen 518020, Guangdong Provi, Peoples R China
[2] Shenzhen Luohu Peoples Hosp, Dept Gastroenterol, Shenzhen 518020, Guangdong Provi, Peoples R China
[3] Jinan Univ, Shenzhen Peoples Hosp, Clin Med Coll 2, Dept Gastroenterol, Shenzhen 518020, Guangdong Provi, Peoples R China
[4] Southern Univ Sci & Technol, Affiliated Hosp 1, Shenzhen 518020, Guangdong Provi, Peoples R China
[5] Jinan Univ, Shenzhen Peoples Hosp, Clin Med Coll 2, Dept Gastroenterol, 1017 East Gate Rd, Shenzhen 518020, Guangdong Provi, Peoples R China
[6] Southern Univ Sci & Technol, Affiliated Hosp 1, 1017 East Gate Rd, Shenzhen 518020, Guangdong Provi, Peoples R China