[1] Guangdong Prov Peoples Hosp, Dept Hepatobiliary Surg, Guangzhou, Peoples R China
[2] Peking Union Med Coll, Beijing, Peoples R China
[3] Guangdong Acad Med Sci, Guangdong Prov Peoples Hosp, Guangdong Cardiovasc Inst, Guangzhou, Peoples R China
[4] Nanchang Univ, Huankui Acad, Nanchang, Peoples R China