1. Department of General Surgery & Guangdong Provincial Key Laboratory of Precision Medicine for Gastrointestinal Tumor, Nanfang Hospital, The First School of Clinical Medicine, Southern Medical University, Guangzhou, P.R. China
2. Department of Transplantation, Nanfang Hospital, Southern Medical Univerisity, Guangzhou, P.R. China
3. Department of Microbiology and Infectious Disease Center, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, P.R. China
4. Department of Bioinformatics and System Development, Dinfectome Inc, Nanjing, P.R. China