1. Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Laboratory of Genetics Peking University Cancer Hospital and Institute Beijing PR China
2. Anyang Cancer Hospital Anyang PR China
3. Hua County People's Hospital Anyang PR China
4. Endoscopy Center, Anyang Cancer Hospital Anyang PR China
5. Department of Pathology Anyang Cancer Hospital Anyang PR China
6. Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Gastrointestinal Oncology Peking University Cancer Hospital and Institute Beijing PR China
7. Department of Gastroenterology Peking University Third Hospital Beijing PR China
8. Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Endoscopy Center Peking University Cancer Hospital and Institute Beijing PR China
9. Novogene Bioinformatics Technology Co., Ltd Beijing PR China