1. Karolinska Institutet, Stockholm, Sweden;
2. Karolinska Institutet, Institute of Environmental Medicine, Stockholm, Sweden
3. Stockholm County Council, Centre for Occupational and Environmental Medicine, Stockholm, Sweden
4. Karolinska Institutet, Stockholm, Sweden
5. SLB-analys, Environment and Health Administration, Stockholm, Sweden
6. Centre for Occupational and Environmental Medicine, Stockholm, Sweden
7. Karolinska Institute Department of Clinical Science and Education Södersjukhuset, Stockholm, Stockholm, Sweden
8. Södersjukhuset, Department of Clinical research and education, Södersjukhuset, Stockolm, Sweden
9. Beth Israel Deaconess Medical Center, Cardiovascular Epidemiology Research Unit, Boston, Massachusetts, United States
10. Karolinska Institute, Department of Clinical Science and Education, Södersjukhuset, Stockholm, Stockholm, Sweden
11. Departement of Epidemiology, Lazio Region Health Service, Rome, Italy
12. Uppsala Uiversity, Dep of Respiratory Medicine, Uppsala, Sweden
13. Karolinska Institutet Department of Clinical Science and Education Sodersjukhuset, Karolinska Institutet, Stockholm, Sweden