1. School of Public Health and Community Medicine, Institute of Medicine, The Sahgrenska Academy University of Gothenburg Gothenburg Sweden
2. Department of Medicine, Occupational and Environmental Medicine Sahlgrenska University Hospital Gothenburg Sweden
3. Discipline of Occupational and Environmental Health University of KwaZulu‐Natal Durban South Africa
4. Division of Occupational and Environmental Medicine Lund University Lund Sweden
5. Unit of Occupational Medicine, Institute of Environmental Medicine Karolinska Institutet Stockholm Sweden
6. Region Västra Götaland Regionhälsan Gothenburg Sweden