Gina MA Higginbottom*, Helen Vallianatos, Joan Forgeron, Donna Gibbons, Rebecca Malhi and Fabiana Mamede
* Corresponding author: Gina MA Higginbottom gina.higginbottom@ualberta.ca
BMC Pregnancy and Childbirth 2011, 11:100 doi:10.1186/1471-2393-11-100