Affiliation: | Department of Obstetrics & Gynaecology (Hutcheon, Liauw, Skoll), University of British Columbia, Vancouver, BC; Department of Epidemiology, Biostatistics, and Occupational Health (Strumpf, Socha, Harper), Economics (Strumpf), Pediatrics (Srour), and Neurology and Neurosurgery (Srour), McGill University, Montréal, Que.; Department of Pediatrics (Ting), University of British Columbia, Vancouver, BC |