1. Lancaster Environment CentreLancaster University Lancaster UK
2. Rosenstiel School of Marine and Atmospheric Science (RSMAS)University of Miami Coral Gables FL USA
3. School of Earth and EnvironmentUniversity of Leeds Leeds UK
4. Department of Chemistry and BiochemistryOld Dominion University Norfolk VA USA
5. Department of ChemistryUniversity of Waterloo Waterloo ON Canada
6. Department of PhysicsOld Dominion University Norfolk VA USA
7. Scripps Institution of OceanographyUniversity of California San Diego La Jolla CA USA
8. National Oceanic and Atmospheric Administration (NOAA) Boulder CO USA
9. NCASUniversity of Leeds Leeds UK
10. Department of Physics and AstronomyUniversity of Leicester Leicester UK
11. National Centre for Earth ObservationUniversity of Leicester Leicester UK
12. Climate Science CentreCSIRO Oceans and Atmosphere Aspendale Victoria Australia
13. Laboratory for Air Pollution and Environmental TechnologyEmpa, Swiss Federal Laboratories for Materials Science and Technology Duebendorf Switzerland
14. School of ChemistryUniversity of Bristol Bristol UK
15. Department of Pure and Applied SciencesUniversity of Urbino Urbino Italy
16. Norwegian Institute for Air Research Kjeller Norway