1. Division of Environmental Medicine, Department of Exposure and Risk Assessment, Norwegian Institute of Public Health, Oslo, Norway
2. National Institute for Consumer Research (SIFO), Oslo, Norway
3. Center for Human Health and the Environment, Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina, USA
4. Office of the Director-General, Norwegian Institute of Public Health, Oslo, Norway
5. Department of Plant Sciences, Norwegian University of Life Sciences, Ås, Norway
6. Oikos–Organic Norway, Oslo, Norway
7. Department of Neuroscience, Child, and Adolescent Psychiatry, Uppsala University, Uppsala, Sweden
8. Vidarkliniken, Järna, Sweden