1. Faculty of Nursing, Midwifery and Health, University of Technology, Sydney, P.O. Box 123, Broadway, NSW 2007, Australia
2. Centre for Midwifery, Child and Family Health, Faculty of Nursing, Midwifery and Health, University of Technology, Sydney, P.O. Box 123, Broadway, NSW 2007, Australia
3. Family and Community Health Research Group, School of Nursing and Midwifery, University of Western Sydney, Locked Bag 1797 Penrith, NSW 2751, Australia
4. Pelvic Floor Unit, Department of Women’s and Children’s Health, Westmead Hospital, P.O. Box 533, Wentworthville, NSW 2145, Australia