1. Wolfson Atmospheric Chemistry Laboratories, Department of Chemistry, University of York, York, UK.
2. FAAM Airborne Laboratory, Cranfield, UK.
3. National Centre for Atmospheric Science, University of York, York, UK.
4. School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, UK.
5. Instituto Nacional de Meteorologia e Geofísica, São Vicente (INMG), Mindelo, Cabo Verde.
6. School of Chemistry, University of Leeds, Leeds, UK.
7. Atmospheric Chemistry Department, Leibniz Institute for Tropospheric Research (TROPOS), Leipzig, Germany.