About the Authors

John E. Ataguba

John.Ataguba@uct.ac.za

Affiliation Health Economics Unit, School of Public Health and Family Medicine, University of Cape Town, South Africa

Candy Day

Affiliation Health Systems Trust, Durban, South Africa

Di McIntyre

Affiliation Health Economics Unit, School of Public Health and Family Medicine, University of Cape Town, South Africa

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: JEA CD DM. Wrote the first draft of the manuscript: JEA CD DM. Contributed to the writing of the manuscript: JEA CD DM. ICMJE criteria for authorship read and met: JEA CD DM. Agree with manuscript results and conclusions: JEA CD DM.