1. Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Canada;
2. CHU Sainte-Justine Research Centre, Université de Montréal, Montreal, Canada;
3. Department of Psychiatry, Université de Montréal, Montreal, Canada;
4. Centre de Recherche du Centre hospitalier universitaire de Québec, Quebec, Canada;
5. École de psychologie, Université Laval, Quebec, Canada;
6. Department of Obstetrics and Gynecology, McGill University Health Centre, Montreal, Canada;
7. Department of Obstetrics and Gynaecology, Université de Sherbrooke, and Centre de recherche du CHUS, Sherbrooke, Canada