1. Department of Emergency, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R China
2. Department of Emergency, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R China
3. Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R China