About the Authors

Chantelle Garritty

cgarritty@ohri.ca

Affiliations The Ottawa Methods Centre, Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Canada, Department of Public Health Sciences, Faculty of Medicine, University of Toronto, Toronto, Canada

Alexander Tsertsvadze

Affiliation The Ottawa Methods Centre, Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Canada

Andrea C. Tricco

Affiliation The Ottawa Methods Centre, Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Canada

Margaret Sampson

Affiliations Department of Information Studies, University of Wales, Aberystwyth, United Kingdom, Children's Hospital of Eastern Ontario Research Institute, Ottawa, Canada

David Moher

Affiliations The Ottawa Methods Centre, Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Canada, Department of Epidemiology and Community Medicine, Faculty of Medicine, University of Ottawa, Ottawa, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CMG AT ACT MS DM. Performed the experiments: CMG. Analyzed the data: CMG DM. Wrote the paper: CMG AT ACT MS DM.