1. Department of Research Oncology, King's Health Partners Integrated Cancer Centre, King's College London, London SE1 9RT, United Kingdom.
2. Department of Head and Neck Oncology, Guy's and St. Thomas' NHS Foundation Trust, London SE1 9RT, United Kingdom.
3. Department of Immunology, Barnet and Chase Farm NHS Trust, Hertfordshire EN5 3DJ, United Kingdom.
4. Department of Clinical Immunology and Allergy, King's College Hospital NHS Foundation Trust, Denmark Hill, London SE5 9RS, United Kingdom.