Author Contributions: Dr Jones had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Jadad, To, Jones.
Acquisition of data: To, Emara, Jones.
Analysis and interpretation of data: Jadad, To, Emara, Jones.
Drafting of the manuscript: Jadad.
Critical revision of the manuscript for important intellectual content: Jadad, To, Emara, Jones.
Statistical analysis: To, Emara, Jones.
Administrative, technical or material support: To.
Study supervision: Jadad, To, Jones.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr Jadad reported that he has served as a consultant to Foresight Links Corporation and received royalties from Wiley for a book on randomized controlled trials. No other disclosures were reported.
Funding/Support: Dr Jadad was supported by funds from the Canada Research Chair in eHealth Innovation, University of Toronto, and the University Health Network. Mr To received research funding from the University of Toronto.
Role of the Sponsor: The University of Toronto and the University Health Network had no role in the design and conduct of the study]] collection, management, analysis, and interpretation of the data]] and preparation, review, or approval of the manuscript.