About the Authors

Lya G. Hernández

Affiliation Laboratory for Health Protection Research, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands

Jan van Benthem

Affiliation Laboratory for Health Protection Research, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands

George E. Johnson

G.Johnson@swansea.ac.uk

Affiliation Institute of Life Science, College of Medicine, Swansea University, Swansea, Wales, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GEJ LGH JvB. Performed the experiments: GEJ LGH JvB. Analyzed the data: GEJ LGH. Contributed reagents/materials/analysis tools: GEJ LGH JvB. Wrote the paper: GEJ LGH JvB.