1. Department of Paediatrics, Research Centre, Centre Hospitalier Universitaire de Québec (CHUQ), Université Laval, Quebec City, Canada
2. Department of Obstetrics and Gynaecology, Research Centre, Centre Hospitalier Universitaire de Québec (CHUQ), Université Laval, Quebec City, Canada
3. Department of Paediatrics, CHU Sainte-Justine, Université de Montréal, Montreal, QC, Canada