1. Velindre NHS Trust, Cardiff, United Kingdom;
2. Centre for Trials Research, Cardiff University, Cardiff, United Kingdom;
3. Newcastle University, Newcastle upon Tyne, United Kingdom;
4. Newcastle University, Newcastle-upon-Tyne, United Kingdom;
5. The University of Texas MD Anderson Cancer Center, Houston, TX;
6. Cardiff University, Cardiff, United Kingdom;
7. Bristol Haematology and Oncology Centre, Bristol, United Kingdom;
8. Mount Vernon Cancer Centre, London, United Kingdom;
9. NISCHR CRC South East Wales Research Network, Cardiff, United Kingdom;
10. Velindre Cancer Centre, Cardiff, Wales;
11. CHUV - Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland;
12. HPV Oncology Group, Institute of Cancer and Genetics, Cardiff University, Cardiff, United Kingdom;
13. University of Liverpool, Liverpool, United Kingdom;