1. Royal Free London NHS Foundation Trust; London UK
2. Department of Cellular Pathology; Royal Free London NHS Foundation Trust; London UK
3. Microbiology, Virology and Infection Control; Great Ormond Street Hospital for Children NHS Foundation Trust; London UK
4. NIHR Biomedical Research Centre; Great Ormond Street Hospital for Children NHS Foundation Trust and University College; London UK
5. Division of Infection and Immunity; University College London; London UK
6. Institute of Immunity and Transplantation; University College London, Royal Free Campus; London UK