1 Department of Psychiatry, University of British Columbia, Vancouver, BC; Department of Psychiatry, BC Children's and Women's Hospital, Vancouver, BC. Electronic address: catriona.hippman@ubc.ca.
2 Graduate Centre for Applied Psychology, Athabasca University, Calgary, AB.
3 Life With A Baby, Thornhill, ON.
4 Graduate Centre for Applied Psychology, Athabasca University, Edmonton, AB.