Article Text
Research methods and reporting
Primary care
Causal inference for clinicians
Statistics from Altmetric.com
You do not have access to the full text of this article, the first page of the PDF of this article appears above.
Footnotes
Contributors SDS and IS: involved in the entire process of this manuscript, from conceptual outline, to writing, to final approval.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Provenance and peer review Not commissioned; externally peer reviewed.
Patient consent for publication Not required.