About the Authors

Rasha Khatib

rasha.khatib@phri.ca

Affiliation Population Health Research Institute, Hamilton Health Sciences and McMaster University, Hamilton, Ontario, Canada

Jon-David Schwalm

Affiliations Population Health Research Institute, Hamilton Health Sciences and McMaster University, Hamilton, Ontario, Canada, Department of Medicine, McMaster University, Hamilton, Ontario, Canada

Salim Yusuf

Affiliations Population Health Research Institute, Hamilton Health Sciences and McMaster University, Hamilton, Ontario, Canada, Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada, Department of Medicine, McMaster University, Hamilton, Ontario, Canada

R. Brian Haynes

Affiliations Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada, Department of Medicine, McMaster University, Hamilton, Ontario, Canada

Martin McKee

Affiliation Department of Health Services Research and Policy, London School of Hygiene and Tropical Medicine, London, United Kingdom

Maheer Khan

Affiliation Population Health Research Institute, Hamilton Health Sciences and McMaster University, Hamilton, Ontario, Canada

Robby Nieuwlaat

Affiliations Population Health Research Institute, Hamilton Health Sciences and McMaster University, Hamilton, Ontario, Canada, Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: RK JDS RN MK. Wrote the paper: RK JDS SY RBH MM MK RN. Conceived and designed the systematic review: RK JDS RN. Performed the search and selected papers: RK JDS RN MK. Contributed to the analysis: SY RBH MM.