1 Paediatric Infectious Disease Research Group, Institute for Infection and Immunity, St George's University of London, Cranmer Terrace, London SW17 0RE, UK. Electronic address: lfolgori@sgul.ac.uk.
2 Global Antibiotic Research and Development Partnership (GARDP), Drugs for Neglected Diseases initiative, Geneva, Switzerland.
3 Paediatric Infectious Disease Research Group, Institute for Infection and Immunity, St George's University of London, Cranmer Terrace, London SW17 0RE, UK; Paediatric Pharmacology, University Children's Hospital Basel, Basel, Switzerland.
4 Paediatric Infectious Disease Research Group, Institute for Infection and Immunity, St George's University of London, Cranmer Terrace, London SW17 0RE, UK.