1. Department of Geography and
2. Department of Medicine, McGill University, Montreal, Quebec, Canada
3. Division of Clinical Epidemiology, McGill University Health Centre, Montreal, Quebec, Canada
4. Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, Quebec, Canada
5. Département de médecine sociale et préventive et Département de santé environnementale et santé au travail, Université de Montréal, Montreal, Quebec, Canada