1. Department of Oncology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong Province, China
2. Department of Emergency, Shandong Provincial Hospital affiliated to Shandong University, Jinan, Shandong Province, China
3. Department of Gastrointestinal Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong Province, China
4. Department of Infectious Diseases, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong Province, China
5. Department of Pathology, Fudan University Shanghai Cancer Center, Fudan, Shanghai, China
6. Department of Oncology, Shanghai Medical College, Fudan University, Fudan, Shanghai, China
7. Institute of Pathology, Fudan University, Fudan, Shanghai, China