Study concept and design: Schuh, Freedman, Coates, Allen, Parkin, DaSilva.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Schuh, Coates, Willan.
Critical revision of the manuscript for important intellectual content: Schuh, Freedman, Coates, Allen, Parkin, Stephens, Ungar, DaSilva.
Statistical analysis: Stephens, Ungar, Willan.
Obtained funding: Schuh, Freedman, Allen.
Administrative, technical, or material support: Coates, DaSilva.
Study supervision: Schuh, Freedman.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest and none were reported.
Funding/Support: This study was supported by the Thrasher Research Fund and the Physicians’ Services Incorporated Foundation. Masimo provided the oximeters used in the study.
Role of the Sponsors: This was an investigator-initiated study. The Thrasher Research Fund, Physicians’ Services Incorporated Foundation, and Masimo had no role in the design and conduct of the study; the collection, management, analysis, and interpretation of the data; the preparation, review, or approval of the manuscript; or the decision to submit the manuscript for publication.
Additional Contributions: We wish to thank Henna Mian, MSc (The Hospital for Sick Children), for the typing and submission of the manuscript, for which she was not compensated.