1 Division of Clinical Epidemiology, Department of Medicine, McGill University Health Center, Montreal, Quebec, Canada. Electronic address: liannesoller@gmail.com.
2 Division of Pediatric Allergy and Clinical Immunology, Department of Pediatrics, McGill University Health Center, Montreal, Quebec, Canada.
3 Department of Geography, Queen's University, Kingston, Ontario, Canada.
4 Division of Clinical Epidemiology, Department of Medicine, McGill University Health Center, Montreal, Quebec, Canada.
5 Division of Clinical Epidemiology, Department of Medicine, McGill University Health Center, Montreal, Quebec, Canada; Department of Epidemiology and Biostatistics, McGill University, Montreal, Quebec, Canada.
6 Food Directorate, Health Canada, Ottawa, Ontario, Canada.
7 Department of Geography, University of Toronto, Toronto, Ontario, Canada.
8 Faculty of Applied Health Sciences, University of Waterloo, Waterloo, Ontario, Canada.
9 Division of Clinical Epidemiology, Department of Medicine, McGill University Health Center, Montreal, Quebec, Canada; Division of Rheumatology, University of Calgary, Calgary, Alberta, Canada.