1. Department of Chemistry, Université de Montréal, Montréal, Québec, H3T 1J4, Canada
2. Air Quality Research Division, Science and Technology Branch, Environment and Climate Change Canada, Toronto, Ontario, M3H 5T4, Canada
3. Department of Civil and Environmental Engineering, National University of Singapore, Singapore, 117576, Singapore
4. Department of Chemical Engineering, University of Toronto, Toronto, M5S 3E5, Canada
5. Dalla Lana School of Public Health, University of Toronto, Toronto, M5T 3M7, Canada
6. National University of Singapore Environmental Research Institute, National University of Singapore, Singapore
7. Laboratory of Atmospheric Chemistry, Paul Scherrer Institute (PSI), 5232 Villigen, Switzerland
8. Flight Research Laboratory, National Research Council Canada, Ottawa, K1A 0R6, Canada
9. Department of Atmospheric and Oceanic Sciences, McGill University, Montréal, H3A 0B9, Canada