About the Authors

David Henry

david.henry@ices.on.ca

Affiliations Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada, Department of Medicine, University of Toronto, Toronto, Ontario, Canada, School of Medicine and Public Health, University of Newcastle, Callaghan, New South Wales, Australia

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

ICMJE criteria for authorship read and met: DH. Agree with the manuscript's results and conclusions: DH. Wrote the first draft of the paper: DH.