About the Authors

G. Michael Allan

michael.allan@ualberta.ca

Affiliations Department of Family Medicine, University of Alberta, Edmonton, Alberta, Canada, Institute of Health Economics, Edmonton, Alberta, Canada, Towards Optimized Practice, Edmonton, Alberta, Canada

Christina Korownyk

Affiliation Department of Family Medicine, University of Alberta, Edmonton, Alberta, Canada

Kate LaSalle

Affiliation Department of Family Medicine, University of Alberta, Edmonton, Alberta, Canada

Ben Vandermeer

Affiliation Alberta Research Centre for Health Evidence, University of Alberta, Edmonton, Alberta, Canada

Victoria Ma

Affiliation Department of Family Medicine, University of Alberta, Edmonton, Alberta, Canada

Douglas Klein

Affiliations Department of Family Medicine, University of Alberta, Edmonton, Alberta, Canada, Continued Professional Learning, University of Alberta, Edmonton, Alberta, Canada

Donna Manca

Affiliations Department of Family Medicine, University of Alberta, Edmonton, Alberta, Canada, Alberta Family Practice Research Network, Edmonton, Alberta, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

GMA conceived of the study, acquired funding, and drafted the original manuscript. All authors but VM and BV worked on project development and study design. KL and GMA extracted cost data while CK and GMA extracted study characteristics. VM also reviewed data to confirm accuracy. GMA, KL and VM compiled the data and generated summary statistics. BV and DK assisted in statistical analysis. All authors participated in manuscript composition and give final approval of the article. GMA is the guarantor.