1. IRAS; Division of Environmental Epidemiology; Utrecht University; Utrecht The Netherlands
2. Danish Ramazzini Centre; Department of Occupational Medicine; Aarhus University Hospital; Aarhus Denmark
3. Division of Occupational and Environmental Medicine; Department of Laboratory Medicine; Lund University; Lund Sweden
4. Centre for Arctic Environmental Medicine; Dronning Ingrids Hospital; Nuuk Greenland
5. Department of Social Medicine and Organization of Public Health; Kharkiv National Medical University; Kharkiv Ukraine
6. Laboratory for Health Protection Research; National Institute for Public Health and the Environment (RIVM); Bilthoven The Netherlands
7. Department of Occupational and Environmental Medicine; Bispebjerg Hospital; University of Copenhagen; Copenhagen Denmark