Public air quality information and perception in eight cities: the CITI-SENSE empowerment initiative

Tom Cole-Hunter, Arne- Jørgen Berre, Nuria Castell Balaguer, Mirjam F Fredriksen, Johanna A. Robinson, Leonardo Santiago, William A. Lahoz, Hai-Ying Liu, Tania Martinez, Philipp Schneider, Sofia Aivalioti, Sonja Grossberndt, Hans Keune, Fintan Hurley, Mark J. Nieuwenhuijsen, Alena Bartonova