1. Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Thoracic Medical OncologyPeking University Cancer Hospital and Institute Beijing China
2. Department of Epidemiology and Biostatistics, School of Public HealthPeking University Beijing China
3. Department of Otolaryngology Head and Neck Surgery, Beijing Tongren HospitalCapital Medical University Key Laboratory of Otolaryngology Head and Neck Surgery (Capital Medical University), Ministry of Education Beijing China
4. Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), The VIPII Gastrointestinal Cancer Division of Medical DepartmentPeking University Cancer Hospital and Institute Beijing China