1. Department of Earth Sciences, University of Toronto, Toronto, Ontario, Canada M5S 3B1
2. RECETOX, Masaryk University, 625 00 Brno, Czech Republic
3. Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada M5T 3M7
4. Occupational Cancer Research Centre, Cancer Care Ontario, Toronto, Ontario, Canada M5G 1X3
5. Air Quality Research Processes Section, Environment and Climate Change Canada, Egbert, Ontario, Canada L0L 1N0
6. School of Environmental Studies, Queen’s University, Kingston, Ontario, Canada K7L 3N6