1. Department of Immunology and Infection, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom
2. Department of Pharmaceutics, UCL School of Pharmacy, London, United Kingdom
3. Department of Pathogen Molecular Biology, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom
4. Pharmidex Pharmaceutical Services Ltd., London, United Kingdom