[1] South China Univ Technol, Sch Med, Guangzhou Peoples Hosp 1, Dept Gastroenterol & Hepatol,Guangzhou Digest Dis, 1,Panfu Rd, Guangzhou 510180, Guangdong, Peoples R China
[2] Yantian Dist Peoples Hosp, Dept Hematol, Shenzhen 518020, Guangdong, Peoples R China
[3] Shenzhen Kangning Hosp, Shenzhen 518020, Guangdong, Peoples R China
[4] Jinan Univ, Shenzhen Peoples Hosp, Dept Pathol, Southern Univ Sci & Technol,Affiliated Hosp 1, Shenzhen 518020, Guangdong, Peoples R China
[5] Huizhou Inst Occupat Dis Control & Prevent, Dept Med Adm, Huizhou 516000, Guangdong, Peoples R China
[6] Southern Univ Sci & Technol, Affiliated Hosp 1, Shenzhen Peoples Hosp, Dept Emergency,Jinan Univ,Clin Med Coll 2, Shenzhen 518020, Guangdong, Peoples R China
[7] Jinan Univ, Dept Gastroenterol, Shenzhen Peoples Hosp, Southern Univ Sci & Technol,Affiliated Hosp 1, 1017,Dongmen North Rd, Shenzhen 518020, Guangdong, Peoples R China