1. Department of Obstetrics and Gynecology, Faculty of Medicine, Université Laval, Quebec, Canada
2. Department of Social and Preventive Medicine, Faculty of Medicine, Université Laval, Quebec, Canada
3. Centre de recherche, Centre hospitalier universitaire de Québec (CRCHUQ), Quebec, Canada
4. Department of Obstetrics and Gynecology, Faculty of Medicine, Université de Montréal, Montreal, Canada
5. Centre hospitalier affilié universitaire de Québec, Hôpital Enfant-Jésus, Quebec, Canada
6. Department of Obstetrics and Gynecology, Faculty of Medicine, Hôpitaux Universitaire de Genève (HUG), Université de Genève, Geneva, Switzerland