1. Center of Tumor Immunology and Cytotherapy, Medical Research Center The Affiliated Hospital of Qingdao University Qingdao Shandong China
2. Qingdao Medical School Qingdao University Qingdao Shandong China
3. Department of Gastrointestinal Medical Oncology Harbin Medical University Cancer Hospital Harbin Heilongjiang China
4. Department of Pancreatic Cancer Tianjin Medical University Cancer Institute and Hospital Tianjin Tianjin China