About the Authors

Marjolein van Gent

Affiliation Laboratory for Infectious Diseases and Screening, Centre for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, The Netherlands

Marieke J. Bart

Affiliation Laboratory for Infectious Diseases and Screening, Centre for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, The Netherlands

Han G. J. van der Heide

Affiliation Laboratory for Infectious Diseases and Screening, Centre for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, The Netherlands

Kees J. Heuvelman

Affiliation Laboratory for Infectious Diseases and Screening, Centre for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, The Netherlands

Frits R. Mooi

frits.mooi@rivm.nl

Affiliation Laboratory for Infectious Diseases and Screening, Centre for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MvG MJB FRM. Performed the experiments: MvG MJB HGJvdH KJH. Analyzed the data: MvG MJB HGJvdH FRM. Contributed reagents/materials/analysis tools: MvG MJB HGJvdH. Wrote the paper: MvG MJB FRM.