1 Department of Infectious and Tropical Diseases, University College London Hospitals NHS Foundation Trust, London, United Kingdom.
2 Laboratory of Malaria Immunology and Vaccinology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, USA.
3 Medicines for Malaria Venture, Geneva, Switzerland.
4 Queensland Institute of Medical Research (QIMR) Berghofer Medical Research Institute, Brisbane, Queensland, Australia.
5 Department of Infectious Diseases, The Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia.