1. Department of Clinical Laboratory, Changzhou No.2 People\'s Hospital, No.29, Xinglong Lane, Tianning District, Changzhou, Jiangsu, 213000, China.
2. Department of Hepatobiliary and pancreatic Surgery, Changzhou No.2 People\'s Hospital, No.29, Xinglong Lane, Tianning District, Changzhou, Jiangsu, 213000, China.