| Affiliation: | 1. Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, QC, Canada;2. Centre for Clinical Epidemiology, Lady Davis Institute, Jewish General Hospital, Montreal, QC, Canada;3. McGill University Health Center Research Institute, Montreal, QC, Canada;4. Department of Pediatrics, McGill University, Montreal, QC, Canada;5. Department of Obstetrics and Gynecology, McGill University, Montreal, QC, Canada;6. Department of Medicine, McGill University, Montreal, QC, Canada |
