su xian zhao department of traditional and western medical hepatology, third hospital of hebei medical university, shijiazhuang, china qing shan zhang department of traditional and western medical hepatology, third hospital of hebei medical university, shijiazhuang, china li kong department of traditional and western medical hepatology, third hospital of hebei medical university, shijiazhuang, china; department of traditional and western medical hepatology, third hospital of hebei medical university, shijiazhuang, china. tel: +86-31166781228, fax: +86-31187023626 yu guo zhang department of traditional and western medical hepatology, third hospital of hebei medical university, shijiazhuang, china rong qi wang department of traditional and western medical hepatology, third hospital of hebei medical university, shijiazhuang, china yue min nan department of traditional and western medical hepatology, third hospital of hebei medical university, shijiazhuang, china

Luis A. Guerrero César A. Collazos José A. Pino Sergio F. Ochoa Felipe Aguilera