Centre for Neonatal and Paediatric Infection, St. George’s University of London, London SW17 0RE, UK 2 GARDP, 1202 Geneva, Switzerland 3 Fondazione Penta ETS, 35127 Padova, Italy 4 Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute, University of Antwerp, 2610 Antwerpen...