1. The National Research Centre for the Working Environment, Copenhagen, Denmark;
2. Division of Diet, Disease Prevention and Toxicology, National Food Institute, Technical University of Denmark, Kongens Lyngby, Denmark
3. Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark;
4. Department of Environmental Engineering, Technical University of Denmark, Kongens Lyngby, Denmark;
5. Department of Health Technology, Technical University of Denmark, Kongens Lyngby, Denmark;
6. Department of Public Health, University of Copenhagen, Copenhagen, Denmark;