About the Authors

Salima Punja

Affiliation Department of Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada

Larissa Shamseer

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

Karin Olson

Affiliation Faculty of Nursing, University of Alberta, Edmonton, Alberta, Canada

Sunita Vohra

svohra@ualberta.ca

Affiliation Complementary and Alternative Research and Education (CARE) Program, Department of Pediatrics and School of Public Health, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada

Competing Interests

This trial was funded by the Alberta Agriculture and Rural Development, Government of Alberta through AVAC Ltd. This does not alter the authors’ adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: SP LS KO SV. Performed the experiments: SP SV. Analyzed the data: SP SV. Wrote the paper: SP LS KO SV.