Accepted for Publication: April 1, 2011.
Author Contributions: Study concept and design: Pinhas, Morris, and Katzman. Acquisition of data: Pinhas, Morris, Crosby, and Katzman. Analysis and interpretation of data: Pinhas and Crosby. Drafting of the manuscript: Pinhas, Crosby, and Katzman. Critical revision of the manuscript for important intellectual content: Pinhas, Morris, Crosby, and Katzman. Statistical analysis: Pinhas. Obtained funding: Pinhas and Morris. Administrative, technical, and material support: Pinhas and Katzman. Study supervision: Pinhas and Katzman.
Financial Disclosure: None reported.
Funding/Support: This study was supported by Health Canada.
Role of the Sponsor: Health Canada was not involved in any aspect of the study.
Additional Contributions: Danielle Grenier, MD, FRCPC, assisted with the study. Reva Schachter, MSc, and Blake Woodside, MD, FRCPC, provided study support. We would like to acknowledge the members of the Adolescent Health Committee at the Canadian Pediatric Society and all the pediatricians across Canada who have contributed to this work.