[1] Shenzhen Baoan Womens & Childrens Hosp, Dept Gen Affairs, Shenzhen, Guangdong, Peoples R China
[2] Southern Med Univ, Nanfang Hosp, Dept Infect Dis, Guangzhou, Peoples R China
[3] Dongxihu Dist Hosp Tradit Chinese Med, Dept Spleen & Gastroenterol, Wuhan, Hubei, Peoples R China
[4] Hubei Univ Chinese Med, Sch Tradit Chinese Med, Wuhan, Hubei, Peoples R China
[5] Hubei Univ Chinese Med, Hubei Prov Hosp Tradit Chinese Med, Affiliated Hosp, Dept Spleen & Gastroenterol, Wuhan, Hubei, Peoples R China
[6] Hubei Shizhen Lab, Wuhan, Hubei, Peoples R China