1. Department of Epidemiology and Health Statistics Fujian Medical University Fujian Provincial Key Laboratory of Environment Factors and Cancer School of Public Health Fujian Medical University Fuzhou China
2. Department of Pathology Quanzhou First Hospital of Fujian Medical University Quanzhou China
3. Department of Radiation Oncology Anxi County Hospital Quanzhou China
4. Department of Thoracic Surgery Fujian Cancer Hospital & Fujian Medical University Cancer Hospital Fuzhou China
5. Key Laboratory of Ministry of Education for Gastrointestinal Cancer Fujian Medical University Fuzhou China