About the Authors
- Mary-Ann Davies
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* E-mail: mary-ann.davies@uct.ac.za
Affiliation School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa
- Emma Kalk
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Affiliation School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Wrote the first draft of the manuscript: ED MK. Contributed to the writing of the manuscript: ED MK. ICMJE criteria for authorship read and met: ED MK. Agree with manuscript results and conclusions: ED MK.