1. Present address: National Institute for Public Health and the Environment, Bilthoven, Netherlands
2. Department of Medical Microbiology and Infection Prevention, Amsterdam UMCs location University of Amsterdam, Amsterdam, Netherlands
3. Netherlands Reference Laboratory for Bacterial Meningitis, Amsterdam UMCs location AMC, Amsterdam, Netherlands
4. Medical Microbiology, UMC Utrecht, Utrecht, Netherlands
5. Present address: Hartwig Medical Foundation, Amsterdam, Netherlands
6. Department of Pediatrics, Spaarne Gasthuis, Hoofddorp/Haarlem, Netherlands
7. National Institute for Public Health and the Environment, Bilthoven, Netherlands
8. Department of Medical Microbiology and Immunology, St Antonius Hospital, Nieuwegein, Netherlands