About the Authors

Karin Elberse

Karin.Elberse@rivm.nl

Affiliation Laboratory for Infectious Diseases and Perinatal Screening, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands

Sandra Witteveen

Affiliation Laboratory for Infectious Diseases and Perinatal Screening, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands

Han van der Heide

Affiliation Laboratory for Infectious Diseases and Perinatal Screening, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands

Ingrid van de Pol

Affiliation Laboratory for Infectious Diseases and Perinatal Screening, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands

Corrie Schot

Affiliation Laboratory for Infectious Diseases and Perinatal Screening, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands

Arie van der Ende

Affiliation The Netherlands Reference Laboratory for Bacterial Meningitis and Department of Medical Microbiology, Academic Medical Center, Amsterdam, The Netherlands

Guy Berbers

Affiliation Laboratory for Infectious Diseases and Perinatal Screening, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands

Leo Schouls

Affiliation Laboratory for Infectious Diseases and Perinatal Screening, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LS. Performed the experiments: SW HvdH IvdP CS KE. Analyzed the data: KE SW LS. Contributed reagents/materials/analysis tools: AvdE HvdH. Wrote the paper: KE LM GB.