1. Centre for Atmospheric Chemistry, School of Earth, Atmospheric and Life Sciences, University of Wollongong, Wollongong, New South Wales, Australia
2. Climate Science Centre, CSIRO Oceans and Atmosphere, Melbourne, Victoria, Australia
3. Council for Scientific and Industrial Research, Pretoria, South Africa
4. Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
5. Department of Geography, Geo-informatics and Meteorology, University of Pretoria, Pretoria, South Africa
6. Australian Antarctic Program Partnership, Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, Tasmania
7. Department of Atmospheric and Climate Sciences, Federal University of Rio Grande do Norte, Natal, Brazil
8. Department of Geophysics, University of Chile, Santiago, Chile
9. Atmospheric Chemistry Observations & Modeling, National Center for Atmospheric Research, Boulder, CO, USA
10. Department of Oceanography, University of Cape Town, Rondebosch, South Africa
11. Extreme Environments Research Laboratory, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
12. Cape Point Global Atmosphere Watch, South African Weather Service, Cape Point, South Africa
13. College of Science and Technology, University of Rwanda, Kigali, Rwanda
14. Atmospheric Chemistry Research Group, Chemical Resource Beneficiation, North-West University, Potchefstroom, South Africa
15. Department of Environmental Engineering, Federal University of Paraná, Curitiba, Brazil
16. Instituto de Astronomia, Geofisica e Ciencias Atmosfericas, Universidade de Sao Paulo, Sao Paulo, Brazil
17. School of Geography, Earth and Atmospheric Sciences, University of Melbourne, Parkville, Victoria, Australia
18. National Institute of Water and Atmospheric Research, Wellington, New Zealand
19. Université de Paris and Univ Paris Est Creteil, CNRS, LISA, Paris, France
20. National Institute of Water and Atmospheric Research, Auckland, New Zealand