1. Institute of Social and Preventive Medicine, University of Basel, Basel, Switzerland
2. Department of Community Medicine and Primary Care, University Hospitals, Geneva, Switzerland
3. Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, Washington, USA
4. Harvard Medical School, Brigham and Women’s Hospital, Boston, Massachusetts, USA
5. Department of Environmental Health, Harvard School of Public Health, Boston, Massachusetts, USA
6. Division of Pulmonary Medicine, University Hospitals, Geneva, Switzerland
7. Laboratoire de Physiologie Clinique et de l’Exercice, Université Jean Monnet, Saint-Etienne, France
8. Service of Pulmonology, Ospedale Regionale, Lugano, Switzerland
9. Molecular Epidemiology/Cancer Registry, University of Zürich, Zürich, Switzerland
10. ProClim, Swiss Academy of Sciences, Bern, Switzerland