1. Key Laboratory of Precision Oncology in Universities of Shandong, Institute of Precision Medicine Jining Medical University Jining China
2. Department of General Surgery Affiliated Hospital of Jining Medical University Jining China
3. Department of Anatomy and Histology, School of Medicine Nankai University Tianjin China
4. Surgery Teaching and Research Section, Clinical Medical School Jining Medical University Jining China
5. Department of Gastrointestinal Surgery Affiliated Hospital of Jining Medical University Jining China