Bibliografisk note

Funding Information:
Conflict of interest: H. Boogaard and P. Pant work at the Health Effects Institute, an organisation jointly funded by the US Environmental Protection Agency (EPA) and certain motor vehicle and engine manufacturers. The views expressed in this article are those of the authors and do not necessarily reflect the views of the Health Effects Institute or its sponsors. The remaining authors have no conflict of interest to declare.

Funding Information:
Acknowledgements: The authors acknowledge the ERS, HEI and ISEE for providing funding to hold the workshop. The event was also supported by Bloomberg Philanthropies. Detailed workshop materials are available on the HEI website: www.healtheffects.org/meeting/brussels-meeting-air-pollution-and-health-taking-stock-proposed-revision-ambient-air-quality. The authors also acknowledge the following workshop participants who provided an opening address: Virginijus Sinkevičius, European Commissioner for Environment, Oceans and Fisheries, and Javi Lopez, EU Parliament, Rapporteur for the Ambient Air Quality Directive (video address); and Alexander Simidchiev, Bulgarian National Assembly Parliament, for participation as a discussant.