1. ICES Toronto ON Canada
2. Public Health Ontario Toronto ON Canada
3. Population Studies Division Environmental Health Science and Research Bureau, Health Canada Ottawa ON Canada
4. Dalla Lana School of Public Health University of Toronto Toronto ON Canada
5. Department of Family and Community Medicine University of Toronto Toronto ON Canada
6. College of Public Health and Human Studies Oregon State University Corvallis OR
7. Department of Physics and Atmospheric Science Dalhousie University Halifax NS Canada
8. Department of Medicine McGill University Montreal QC Canada
9. Centre for Outcomes Research and Evaluation Research Institute of the McGill University Health Centre Montreal QC Canada
10. Air Health Science Division Health Canada Ottawa ON Canada
11. School of Epidemiology & Public Health University of Ottawa Ottawa ON Canada
12. Department of Epidemiology, Biostatistics, and Occupational Health McGill University Montreal Canada
13. Smithsonian Astrophysical Observatory, Harvard‐Smithsonian Center for Astrophysics Cambridge MA