[1] McMaster University,School of Nursing and Department of Clinical Epidemiology and Biostatistics, Faculty of Health Sciences
[2] University of Manitoba,Faculty of Nursing
[3] McMaster University,School of Nursing, Faculty of Health Sciences
[4] University of Calgary and Alberta Centre for Child,Department of Paediatrics and Community Health Sciences, Faculty of Medicine
[5] Family and Community Research,School of Population and Public Health
[6] University of British Columbia,IWK Health Centre and Department of Obstetrics and Gynecology, Faculty of Medicine
[7] Dalhousie University,Faculty of Nursing
[8] University of Alberta,St. Boniface General Hospital and Department of Obstetrics, Gynecology and Reproductive Sciences, Faculty of Medicine
[9] University of Manitoba,School of Nursing and Department of Clinical Epidemiology and Biostatistics, Faculty of Health Sciences
[10] McMaster University,Department of Obstetrics and Gynecology and Department of Clinical Epidemiology and Biostatistics, Faculty of Health Sciences
[11] McMaster University,undefined