1. Department of Earth and Environmental Science, Centre for Atmospheric Science, University of Manchester, Manchester M13 9PL, United Kingdom
2. Atmospheric Chemistry Research Group, School of Chemistry, Cantock’s Close, University of Bristol, Bristol BS8 1TS, United Kingdom
3. Center for Aerosol and Cloud Chemistry, Aerodyne Research, Inc., Billerica, MA 01821
4. Department of Chemistry, University of Colorado at Boulder, Boulder, CO 80309
5. Cooperative Institute for Research in Environmental Sciences, University of Colorado at Boulder, Boulder, CO 80309
6. Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, United Kingdom
7. National Centre for Atmospheric Science, University of Cambridge, Cambridge CB2 1EW, United Kingdom
8. Methods Analytics, London EC1N 8TS, United Kingdom
9. Facility for Airborne Atmospheric Measurements Airborne Laboratory, Cranfield University, Cranfield MK43 0AL, United Kingdom
10. Wolfson Atmospheric Chemistry Laboratories, Department of Chemistry, University of York, York YO10 5DD, United Kingdom
11. National Centre for Atmospheric Science, University of York, York YO10 5DD, United Kingdom
12. Plymouth Marine Laboratory, Plymouth PL1 3DH, United Kingdom
13. National Aeronautics and Space Administration Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109
14. National Centre for Atmospheric Science, University of Manchester, Manchester M13 9PL, United Kingdom