1. Virology Department, Division of Infection, Barts Health NHS Trust , London , United Kingdom
2. Department of Infection and Immunity, Barts Health NHS Trust , London , United Kingdom
3. Microbiology, Virology, and Infection Prevention and Control, Great Ormond Street Hospital for Children NHS Foundation Trust , London , United Kingdom
4. Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London , London , United Kingdom