Departments of Paediatrics, Obstetrics and Gynaecology, and Social and Preventive Medicine, Sainte-Justine University Hospital and Research Center, University of Montreal, Montreal, and the School of Psychology, Laval University, Québec City, Québec, Canada.
Corresponding author: Anne Monique Nuyt, MD, Sainte-Justine University Hospital and Research Center (CHU Ste Justine), 3175 Chemin de la Côte-Sainte-Catherine, Montreal (Québec), Canada, H3T 1C5; e-mail: [email protected].
Supported by the Canadian Institutes of Health Research (CIHR) MCH-97584 grant to Anne Monique Nuyt.
Presented in part at the Pediatric Academic Societies Annual Meeting, May 4–7, 2013, Washington, DC.
The authors thank Mrs. Isabelle Leroux, Québec Statistics Institute, for assistance in data collection and analysis.
Financial Disclosure The authors did not report any potential conflicts of interest.