aCluster of Infectious Diseases, Public Health Service AmsterdambDepartment of Internal Medicine, Center for Immunity and Infection Amsterdam (CINIMA), Academic Medical Center, University of Amsterdam, Amsterdam, The NetherlandscInstituto de Salud Carlos III, Madrid, SpaindBasel Institute for Clinical Epidemiology and Biostatistics, University Hospital Basel, Basel, SwitzerlandeINSERM U897, University Victor Ségalen, Bordeaux, FrancefIstituto Superiore di Sanitá, Rome, ItalygDepartment of Medicine, University of Calgary, Calgary, Alberta, CanadahRobert Koch Institute, Berlin, GermanyiUlleval University Hospital, Oslo, NorwayjMRC Clinical Trials Unit, London, UKkDepartment of Clinical Epidemiology, Biostatistics and Bioinformatics, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.