1. Division of Environmental Epidemiology, Institute for Risk Assessment Sciences, Utrecht University, Utrecht, the Netherlands
2. Division of Occupational and Environmental Medicine, Lund University, Lund, Sweden
3. Laboratory for Health Protection Research, National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands
4. Danish Ramazzini Center, Department of Occupational Medicine, Aarhus University Hospital, Aarhus, Denmark
5. Department of Occupational and Environmental Medicine, Copenhagen University Hospital, Bispebjerg, Copenhagen, Denmark
6. Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands