About the Authors

Lisa Hartling

hartling@ualberta.ca

Affiliations Alberta Research Centre for Health Evidence, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada, Cochrane Child Health Field, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada

Annabritt Chisholm

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

Denise Thomson

Affiliations Alberta Research Centre for Health Evidence, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada, Cochrane Child Health Field, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada

Donna M. Dryden

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LH AC DT DD. Performed the experiments: LH AC. Analyzed the data: LH AC DT DD. Contributed reagents/materials/analysis tools: LH AC DT DD. Wrote the paper: LH AC DT DD.