About the Authors

Carmel Jacobs

cjacobs@toh.on.ca

Affiliation Division of Medical Oncology, The Ottawa Hospital Cancer Centre and Department of Medicine, University of Ottawa, Ottawa, Ontario, Canada

Ian D. Graham

Affiliations Department of Epidemiology and Community Medicine, University of Ottawa, Ottawa, Ontario, Canada, Ottawa Hospital Research Institute and University of Ottawa, Department of Medicine, Ottawa, Ontario, Canada

Julie Makarski

Affiliation Independent Consultant, Hamilton, Ontario, Canada

Michaël Chassé

Affiliation Department of Epidemiology and Community Medicine, University of Ottawa, Ottawa, Ontario, Canada

Dean Fergusson

Affiliations Department of Epidemiology and Community Medicine, University of Ottawa, Ottawa, Ontario, Canada, Ottawa Hospital Research Institute and University of Ottawa, Department of Medicine, Ottawa, Ontario, Canada

Brian Hutton

Affiliation Department of Epidemiology and Community Medicine, University of Ottawa, Ottawa, Ontario, Canada

Mark Clemons

Affiliations Division of Medical Oncology, The Ottawa Hospital Cancer Centre and Department of Medicine, University of Ottawa, Ottawa, Ontario, Canada, Ottawa Hospital Research Institute and University of Ottawa, Department of Medicine, Ottawa, Ontario, Canada

Competing Interests

Ian Graham was a member of the team that developed the AGREE II instrument. He has also been an author on practice guidelines from Cancer Care Ontario (CCO). He was not an author on any of the guidelines analysed in this manuscript. Brian Hutton has previously received funds for providing methodological advice to Amgen Canada for systematic reviews. Mark Clemons has previously been involved in the creation of practice guidelines for Cancer Care Ontario (CCO) and consensus statements for Roche; he was not an author on any of the guidelines analysed. No other authors have competing interests to declare. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: CJ IG DF M. Clemons BH. Performed the experiments: CJ JM M. Chasse M. Clemons. Analyzed the data: CJ IG JM M. Chasse BH M. Clemons. Contributed reagents/materials/analysis tools: CJ JM M. Chasse M. Clemons. Contributed to the writing of the manuscript: CJ IG JM M. Chasse DF BH M. Clemons.