1. Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Cancer Epidemiology Peking University Cancer Hospital & Institute Beijing China
2. PYLOTUM Key Joint Laboratory for Upper GI Cancer, Technische Universität München/Peking University Cancer Hospital & Institute Munich Germany
3. PYLOTUM Key Joint Laboratory for Upper GI Cancer, Technische Universität München/Peking University Cancer Hospital & Institute Beijing China
4. State Key Lab of Molecular Oncology National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China
5. Technical University of Munich (TUM), School of Medicine, Institute for Medical Microbiology, Immunology and Hygiene Munich Germany
6. German Center for Infection Research Munich Germany
7. Linqu County Public Health Bureau Linqu China
8. Linqu County People's Hospital Linqu China