1 Department of General Surgery, Guangzhou Digestive Disease Center, Guangzhou First People's Hospital, The Second Affiliated Hospital of South China University of Technology, Guangzhou, 510180, China.
2 Department of Nephrology, Guangzhou First People's Hospital, The Second Affiliated Hospital of South China University of Technology, Guangzhou, 510180, China.
3 Department of Pathology, Yale University School of Medicine, New Haven, 06520, CT, USA.
4 Department of Operative Dentistry and Endodontics, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University and Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, 510055, China.
5 Department of General Surgery, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, 510180, China.
6 Department of General Surgery, Guangzhou Digestive Disease Center, Guangzhou First People's Hospital, The Second Affiliated Hospital of South China University of Technology, Guangzhou, 510180, China. czhongt@126.com.
7 Department of General Surgery, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, 510180, China. czhongt@126.com.