1. Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Laboratory of Genetics Peking University Cancer Hospital and Institute Beijing China
2. Endoscopy Center Anyang Cancer Hospital, Anyang China Henan Province China
3. Department of Pathology Anyang Cancer Hospital Anyang Henan Province China
4. Hua County People's Hospital China Henan Province China
5. Department of Gastroenterology Peking University Third Hospital Beijing China
6. Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Gastrointestinal Oncology Peking University Cancer Hospital and Institute Beijing China
7. Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Endoscopy Center Peking University Cancer Hospital and Institute Beijing China
8. Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Thoracic Surgery II Peking University Cancer Hospital and Institute Beijing China