1. Department of Environmental and Occupational Medicine, Institute of Public Health, University of Aarhus, Aarhus, Denmark
2. Department of Occupational and Environmental Medicine, University Hospital, Lund, Sweden
3. Scanian Fertility Centre, Malmö University Hospital, Malmö, Sweden
4. Laboratory of Genetics, Department of Agricultural Sciences, University of Modena and Reggio Emilia, Modena, Italy
5. Institute of Biology and Genetics, Politechnical University of Marche, Ancona, Italy
6. Section of Toxicology and Biomedical Sciences, BIOTEC-MED, ENEA Casaccia, Rome, Italy
7. Medical Centre, Dronning Ingrids Hospital, Nuuk, Greenland
8. Department of Occupational Medicine, Aarhus University Hospital, Aarhus, Denmark