1. Department of Food Safety and Food Quality; Ghent University; Ghent Belgium
2. Unit of Nutrition and Child Health; Institute of Tropical Medicine; Antwerp Belgium
3. National Institute for Public Health and the Environment; Bilthoven The Netherlands
4. Department of Food and Nutrition, and Sport Science; University of Gothenburg; Gothenburg Sweden
5. Department of Clinical and Experimental Medicine; Linköping University; Linköping Sweden
6. Department of Food and Nutrition; Umeå University; Umeå Sweden
7. Department of Clinical Sciences Malmö; Lund University; Malmö Sweden
8. Institute of Environmental Medicine; Karolinska Institutet; Stockholm Sweden
9. International Agency for Research on Cancer; Lyon France
10. Department of Biosciences and Food Sciences; University College Ghent; Ghent Belgium
11. School of Food Science and Nutrition; University of Leeds; Leeds UK
12. Institute of Social and Preventive Medicine; University of Bern; Bern Switzerland
13. Department of Clinical Research; University of Bern; Bern Switzerland