1. National Institute of Health (NIHR) Bristol Biomedical Research CentreNutrition Theme, University of Bristol Bristol United Kingdom
2. Department of Population Health SciencesUniversity of Bristol Medical School Bristol United Kingdom
3. Department of Oral and Dental SciencesBristol Dental School Bristol United Kingdom
4. Molecular Diagnostics of Oncogenic Infections DivisionGerman Cancer Research Center (DKFZ) Heidelberg Germany
5. Infections and Cancer EpidemiologyGerman Cancer Research Center (DKFZ) Heidelberg Germany