1. Department of Environmental Health, Harvard School of Public Health, Boston, Massachusetts, USA
2. Faroese Hospital System, Tórshavn, Faroe Islands
3. Institute of Public Health, University of Copenhagen, Copenhagen, Denmark
4. Department of Clinical Biochemistry, Pharmacology, and Genetics, Odense University Hospital, Odense, Denmark
5. Oy Jurilab Ltd., Kuopio, Finland
6. Research Institute of Public Health, School of Public Health and Clinical Nutrition, University of Kuopio, Kuopio, Finland
7. Department of Environmental Health Sciences, Akita University School of Medicine, Akita, Japan
8. Institute of Public Health, University of Southern Denmark, Odense, Denmark