| Affiliation: | 1. Department of Obstetrics & Gynaecology, University of Toronto, Toronto ON;2. Faculty of Science, Queen’s University, Kingston ON;3. Department of Obstetrics and Gynaecology, Mount Sinai Hospital, University of Toronto, Toronto ON;1. Department of Obstetrics and Gynaecology, Dalhousie University, Halifax NS;2. Perinatal Epidemiology Research Unit, Dalhousie University, Halifax NS;1. University of South Australia, School of Nursing and Midwifery, City East Campus, Centenary Building, North Terrace, Adelaide, SA 5000, Australia;2. The Flinders University Adelaide, School of Nursing and Midwifery, GPO Box 2100, Adelaide, SA 5001, Australia |
