1. Institute of Head and Neck Studies and Education (InHANSE); Birmingham UK
2. University Hospitals Birmingham NHS Foundation Trust; Birmingham UK
3. University Hospital Coventry and Warwickshire; Coventry UK
4. Birmingham Dental Hospital; Birmingham UK
5. Histopathology Department; Leeds Teaching Hospitals Trust; Leeds UK
6. Leeds Institute of Cancer Studies and Pathology; University of Leeds; Leeds UK
7. Clinical Trials Unit; Warwick Medical School; University of Warwick; Coventry UK