1. Department of Paediatrics, Juliana Children’s Hospital, Haga Hospital, The Hague
2. Department of Paediatrics, Wilhelmina Children’s Hospital, University Medical Center Utrecht, Utrecht
3. Department of Paediatrics, Maasstad Ziekenhuis, Rotterdam
4. Department of Paediatrics, Noordwest Ziekenhuisgroep, Alkmaar & Den Helder
5. Department of Paediatrics, Division of Paediatric Infectious Diseases & Immunology, Erasmus MC-Sophia Children’s Hospital, University Medical Center Rotterdam, Rotterdam
6. Department of Paediatrics, Maastricht University Medical Center+, Maastricht
7. Department of Microbiology, Radboud University Medical Center, Nijmegen
8. Department of Paediatrics, Division of Paediatric Infectious Diseases & Immunology, Amalia Children’s Hospital, Radboud University Medical Center, Nijmegen
9. Department of Microbiology, St. Antonius Hospital, Nieuwegein
10. Department of Paediatrics, Haaglanden Medical Center, The Hague
11. Department of Medical Microbiology and Infection Prevention, Amsterdam UMC location University of Amsterdam, Amsterdam
12. Netherlands Reference Center for Bacterial Meningitis, Amsterdam UMC location AMC, Amsterdam, The Netherlands.