1. Royal Belgian Institute for Space Aeronomy BIRA‐IASB Brussels Belgium
2. Institute of Astrophysics and Geophysics UR SPHERES University of Liège Liège Belgium
3. Now at: Department of Earth, Space and Environment Chalmers University of Technology Gothenburg Sweden
4. National Center for Atmospheric Research Boulder CO USA
5. Universidad Complutense de Madrid Madrid Spain
6. Oskar Klein Centre for Cosmoparticle Physics Department of Physics Stockholm University Stockholm Sweden
7. Imperial Centre for Inference and Cosmology Department of Physics Imperial College London Blackett Laboratory London UK
8. Institute of Meteorology and Climate Research (IMK‐ASF) Karlsruhe Institute of Technology Karlsruhe Germany
9. National Institute of Water and Atmospheric Research Lauder New Zealand
10. School of Chemistry University of Wollongong Wollongong Australia