1. Section for Environment Occupation and Health; Department of Public Health; Aarhus University; Aarhus Denmark
2. Research Centre for Prevention and Health; The Capital Region of Denmark; Copenhagen Denmark
3. Department of Clinical Experimental Research; Glostrup University Hospital; Glostrup Denmark
4. Department of Clinical Medicine; Faculty of Health and Medical Sciences; University of Copenhagen; Copenhagen Denmark
5. Clinic of Occupational Medicine; Aalborg University Hospital; Aalborg Denmark
6. Research ALK Abelló; ALK Abelló; Hørsholm Denmark