1. Center of Gastrointestinal Disease, The Affiliated Changzhou No. 2 People’s Hospital of Nanjing Medical University, Changzhou, Jiangsu, P.R. China
2. Department of Hematology, Oncology and Tumor Immunology (CVK), Charité Universitätsmedizin Berlin, Berlin, Germany
3. Institute of Radiology (CVK), Charité Universitätsmedizin Berlin, Berlin, Germany
4. Cell Biology, Deutsches Rheuma-Forschungszentrum Berlin (DRFZ), a Leibniz Institute, Berlin, Germany
5. Department of Hepatology and Gastroenterology (CVK), Charité Universitätsmedizin Berlin, Berlin, Germany