- 1 - Title : HMOX 1 and GST variants modify attenuation of FEF 25 - 75 - decline due to PM 10 reduction

1 Chronic Disease Epidemiology , Institute of Social and Preventive Medicine, University of Zürich, Switzerland 2 Institute of Social and Preventive Medicine, University of Basel, Basel, Switzerland Division of Clinical Chemistry and Biochemistry, University Children's Hospital Zürich, Zürich, Switzerland 4 Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, USA 5 Institute of Medical Genetics, Division of Medical Molecular Genetics and Gene Diagnostics, University of Zurich, Switzerland 6 Division of Pulmonary Medicine, University Hospital of Zürich, Zürich, Switzerland 7 Department of Environmental Health, Harvard School of Public Health, Boston, Massachusetts 02215, USA 8 Department of Pulmonology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands 9 Division of Pulmonary Medicine, University Hospitals of Geneva, Geneva, Switzerland