About the Authors

Taryn Young

tyoung@sun.ac.za

Affiliations Centre for Evidence-based Health Care, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa, South African Cochrane Centre, South African Medical Research Council, Cape Town, South Africa, Division of Community Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa

Anke Rohwer

Affiliation Centre for Evidence-based Health Care, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa

Susan van Schalkwyk

Affiliation Centre for Health Professions Education, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa

Jimmy Volmink

Affiliations Centre for Evidence-based Health Care, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa, South African Cochrane Centre, South African Medical Research Council, Cape Town, South Africa

Mike Clarke

Affiliation All Ireland Hub for Trials Methodology Research, Queen’s University Belfast, Belfast, Northern Ireland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TY AR SvS JV MC. Performed the experiments: TY AR SvS. Analyzed the data: TY AR SvS. Contributed reagents/materials/analysis tools: TY AR SvS. Wrote the paper: TY AR SvS JV MC.