[1] Univ Victoria, Sch Nursing, POB 1700 STN CSC, Victoria, BC, Canada
[2] Publ Hlth Agcy Canada, Family Violence Surveillance, 785 Carling AL 6807B, Ottawa, ON K1A 0K9, Canada
[3] McMaster Univ, Sch Nursing, 1280 Main St West, Hamilton, ON L8S 4L8, Canada
[4] McMaster Univ, Dept Psychiat & Behav Neurosci, 1280 Main St West, Hamilton, ON L8S 4I8, Canada
[5] Univ British Columbia, Sch Nursing, T201-2211 Wesbrook Mall, Vancouver, BC V6T 2B5, Canada
[6] York Univ, Fac Hlth, 4700 Keele St, Toronto, ON M3J 1P3, Canada
[7] Western Univ, Sch Nursing, London, ON N6A 3K7, Canada
[8] Simon Fraser Univ, Fac Hlth Sci, Childrens Hlth Policy Ctr, 515 West Hastings St, Vancouver, BC V6B 5K3, Canada
[9] McMaster Univ, Offord Ctr Child Studies, McMaster Innovat Pk, Suite 201A,1280 Main St West, Hamilton, ON L8S 4K1, Canada