University of Alberta, University of Ferrara, University of Ferrara - Department of Environmental and Prevention Sciences, University of Alberta, University of Alberta - Department of Medicine, University of Alberta - Division of Pulmonary Medicine and University of Alberta - Division of Pulmonary Medicine

University of Montreal - Faculté de Pharmacie, Université du Québec en Abitibi-Témiscamingue - Health Sciences Department, CHU Sainte-Justine - Research Center, University of Montreal - Faculté de Pharmacie, University of Montreal - Department of Social and Preventive Medicine, McGill University - Faculty of Medicine, CHU Sainte-Justine - Research Center, Western University - Department of Epidemiology & Biostatistics, Protestant University in Congo - Department of Family Medicine, CHU Sainte-Justine - Research Center, CHU Sainte-Justine - Research Center, University of Montreal - Department of Microbiology, Infectious Diseases and Immunology, University of Montreal - Faculté de Pharmacie, University of Alberta - Department of Medicine, University of Saskatchewan - Department of Community Health and Epidemiology, Yale University - Yale Child Study CenterMcGill University - Douglas Research Centre, University of Manitoba - College of Pharmacy, Manitoba Center for Health Policy, CHU Sainte-Justine - Research Center, University of British Columbia (UBC) - Department of Obstetrics & Gynaecology, University of British Columbia (UBC) - School of Population and Public Health, University of Claude Bernard Lyon 1 - Department of Clinical Epidemiology, University of Claude Bernard Lyon 1 - Faculty of Medicine, McGill University - Divisions of Clinical Epidemiology and Rheumatology, McGill University - Divisions of Clinical Epidemiology and Rheumatology, Dispensaire diététique de Montréal/Montreal Diet Dispensary, Dispensaire diététique de Montréal/Montreal Diet Dispensary, University of Montreal - Department of Anesthesiology and Pain Medicine, Maisonneuve-Rosemont Hospital - Research Center, Zhengzhou University - Department of Epidemiology and Biostatistics and Zhengzhou University - College of Public Health