1. Department of Public Health, Environment & Society London School of Hygiene & Tropical Medicine London UK
2. Centre Eau‐Terre‐Environnement Institut National de la Recherche Scientifique Québec Canada
3. Institut National de Santé Publique du Québec Québec Canada
4. School of Epidemiology and Public Health University of Ottawa Ottawa Canada
5. Air Health Science Division Health Canada Ottawa Canada
6. Ouranos Montréal Canada