1. Centre for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands
2. European Public Health Microbiology Training Programme (EUPHEM), European Centre for Disease Prevention and Control (ECDC), Stockholm, Sweden
3. Netherlands Reference Laboratory for Bacterial Meningitis, Amsterdam UMC, location AMC, University of Amsterdam, Amsterdam, the Netherlands
4. Department of Medical Microbiology and Infection Prevention, Amsterdam UMC, location AMC, University of Amsterdam, Amsterdam, the Netherlands