1. Department of Epidemiology and Statistics College of Public Health Zhengzhou University Zhengzhou Henan China
2. Henan Key Laboratory of Tumor Epidemiology Zhengzhou University Zhengzhou Henan China
3. Department of Clinical Nutrition Daping Hospital Army Medical University Third Military Medical University Chongqing China
4. Department of Clinical Nutrition the First Affiliated Hospital of Zhengzhou University Zhengzhou Henan China
5. Department of Gastrointestinal Surgery Institute of Gastroenterology The First Affiliated Hospital of Kunming Medical University Kunming Yunnan China
6. Cancer Center of the First Hospital of Jilin University Changchun Jilin China
7. Department of Gastrointestinal Surgery and Department of Clinical Nutrition Beijing Shijitan Hospital Capital Medical University Beijing China
8. State Key Laboratory of Esophageal Cancer Prevention & Treatment Zhengzhou University Zhengzhou Henan China