1. Department of Public Health, Section for Environment, Occupation and Health, Danish Ramazzini Centre, Aarhus University , Aarhus, Denmark
2. Department of Occupational Medicine, Danish Ramazzini Centre, Aarhus University Hospital , Aarhus, Denmark
3. Department of Rheumatology, Aarhus University Hospital , Aarhus, Denmark
4. Department of Respiratory Diseases and Allergy, Aarhus University Hospital , Aarhus, Denmark
5. Institute for Risk Assessment Science, Utrecht University , Utrecht, The Netherlands
6. Department of Pathology, Odense University Hospital , Odense, Denmark
7. Department of Occupational Medicine, Danish Ramazzini Centre, Aalborg University Hospital , Aalborg, Denmark
8. Department of Medicine, West Virginia University School of Medicine , Morgantown, WV, USA
9. Department of Occupational and Environmental Medicine, University of Southern Denmark , Odense, Denmark
10. Department of Pulmonary Medicine, University of Southern Denmark , Odense, Denmark
11. National Research Centre for the Working Environment , Copenhagen, Denmark