Sunnybrook Research Institute, Evaluative Clinical Sciences, Toronto, Canada (JAB, DAR); University of Toronto, Departments of Surgery and Medicine, Toronto, Canada (JAB, DAR); Institute for Clinical Evaluative Sciences, Toronto, Canada (JAB, DT, DAR).
Send correspondence to Junaid A. Bhatti, MBBS, MSc, PhD, Sunnybrook Health Sciences Centre, 2075 Bayview Avenue, G106, Toronto, ON M4N 3M5, Canada. E-mail: [email protected].
Received 2 May, 2018
Accepted 18 September, 2018
The study methods were approved by the Privacy Impact Services, Institute for Clinical Evaluative Sciences (ICES) and the Research Ethics Board of the Sunnybrook Health Sciences Centre, both located in Toronto, ON, Canada.
Authors’ contributions: Drs Bhatti and Redelmeier had full access to the data and take responsibility for accuracy of data analysis. Study concept and design: all authors. Acquisition, analysis, or interpretation of data: all authors. Drafting of manuscript: Bhatti and Redelmeier. Statistical analysis: Bhatti, Redelmeier, and Thiruchelvam. Administrative support, obtained funding, and supervision: Redelmeier.
Funding: This work was supported by Sunnybrook Research Institute intramural funds. Investigators were supported by the Canadian Institutes of Health Research, Canada Research Chair in Medical Decision Sciences (Redelmeier). The funding agencies had no role in study design, conduct, analysis, and dissemination of findings.
All authors declare no competing interests.
