Access to Data: Dr Robertson had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Author Contributions:Study concept and design: Robertson, Yasui.
Acquisition of data: Robertson, Watt.
Analysis and interpretation of data: Robertson, Yasui.
Drafting of the manuscript: Robertson.
Critical revision of the manuscript for important intellectual content: Robertson, Watt, Yasui.
Statistical analysis: Yasui.
Administrative, technical, or material support: Robertson, Yasui.
Determination of outcome variables: Robertson, Watt.
Financial Disclosures: None reported.
Funding/Support: Dr Yasui is supported by the Canada Research Chair Program and the Alberta Heritage Foundation for Medical Research. No outside funding for this project was received.
Acknowledgment: We sincerely thank all of the children and their parents for their commitment and their attendance at the Neonatal Follow-up Clinic. We are indebted to the Glenrose Rehabilitation Hospital for encouraging both service and audit to be part of the Follow-up Program, thus allowing for the development of the complete database.