About the Authors

Kate Joyner

kjoy@sun.ac.za

Affiliation Division of Nursing, Faculty of Health Sciences, Stellenbosch University, Tygerberg, South Africa

Robert Mash

Affiliation Division of Family Medicine and Primary Care, Faculty of Health Sciences, Stellenbosch University, Tygerberg, South Africa

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KJ RJM. Performed the experiments: KJ. Analyzed the data: KJ. Wrote the paper: KJ RJM.