Clean air in Europe: beyond the horizon?

Brunekreef B Institute for Risk Assessment Sciences, Utrecht University, Utrecht, The Netherlands Julius Center for Health Sciences and Primary Care, University Medical Center, Utrecht, The Netherlands b.brunekreef@uu.nl.
Künzli N Swiss Tropical and Public Health Institute, Basel, Switzerland University of Basel, Basel, Switzerland.
Pekkanen J Dept of Environmental Health, National Institute for Health and Welfare, Kuopio, Finland Dept of Public Health, University of Helsinki, Helsinki, Finland.
Annesi-Maesano I EPAR Department, INSERM, UMR_S 1136, Institute Pierre Louis of Epidemiology and Public Health, Paris, France.
Forsberg B Occupational and Environmental Medicine, Dept of Public Health and Clinical Medicine, Umea University, Umea, Sweden.
Sigsgaard T Section of Environment, Occupation and Health, Aarhus University, Aarhus, Denmark.
Keuken M Netherlands Organization for Applied Research, Utrecht, The Netherlands.
Forastiere F Epidemiology Dept, Lazio Regional Health Service, Rome, Italy.
Barry M European Respiratory Society, European Affairs Dept, Brussels, Belgium.
Querol X Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, Spain.
Harrison RM National Centre for Atmospheric Science, School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, UK Dept of Environmental Sciences/Center of Excellence in Environmental Studies, King Abdulaziz University, Jeddah, Saudi Arabia.