About the Authors
- Jeroen L. A. Pennings
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* E-mail: Jeroen.Pennings@rivm.nl
Affiliation Laboratory for Health Protection Research (GBO), National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
- Tjeerd G. Kimman
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Affiliations Laboratory for Health Protection Research (GBO), National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands, Central Veterinary Institute, Lelystad, The Netherlands
- Riny Janssen
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Affiliation Laboratory for Health Protection Research (GBO), 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: RJ JP. Analyzed the data: JP. Wrote the paper: TK RJ JP.