About the Authors

Guy Severin Mahiane

sgmahiane@sun.ac.za

Affiliation South African Centre for Epidemiological Modelling and Analysis, Stellenbosch University, Stellenbosch, South Africa

Rachid Ouifki

Affiliation South African Centre for Epidemiological Modelling and Analysis, Stellenbosch University, Stellenbosch, South Africa

Hilmarie Brand

Affiliation South African Centre for Epidemiological Modelling and Analysis, Stellenbosch University, Stellenbosch, South Africa

Wim Delva

Affiliations South African Centre for Epidemiological Modelling and Analysis, Stellenbosch University, Stellenbosch, South Africa, International Centre for Reproductive Health, Gent University, Gent, Belgium

Alex Welte

Affiliation South African Centre for Epidemiological Modelling and Analysis, Stellenbosch University, Stellenbosch, South Africa

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AW GSM RO. Performed the experiments: HB RO GSM. Analyzed the data: AW HB GSM. Contributed reagents/materials/analysis tools: AW HB GSM RO. Wrote the paper: AW HB GSM RO WD.