1. Population Health Sciences; Bristol Medical School, University of Bristol, Canynge Hall; Bristol BS8 2PS United Kingdom
2. MRC Integrative Epidemiology Unit (IEU); Bristol BS8 2BN United Kingdom
3. National Institute for Health Research (NIHR) Bristol Biomedical Research Centre, University Hospitals Bristol NHS Foundation Trust and University of Bristol
4. School of Oral and Dental Sciences, University of Bristol; BS1 2LY United Kingdom
5. Molecular Diagnostics of Oncogenic Infections Division; German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280; Heidelberg 69120 Germany
6. Infections and Cancer Epidemiology; German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280; Heidelberg 69120 Germany