1 Department of Emergency Medicine, University of Alberta, Edmonton, AB, Canada.
2 Inner City Health and Wellness Program, B804 Women's Centre, Royal Alexandra Hospital, 10240 Kingsway Avenue, Edmonton, AB, T5H 3V9, Canada.
3 School of Public Health, University of Alberta, Edmonton, AB, Canada.
4 Department of Emergency Medicine, University of Alberta, Edmonton, AB, Canada. kathryni@ualberta.ca.
5 Inner City Health and Wellness Program, B804 Women's Centre, Royal Alexandra Hospital, 10240 Kingsway Avenue, Edmonton, AB, T5H 3V9, Canada. kathryni@ualberta.ca.