1. CancerCare, Cape Gate Oncology Centre, Cape Town, South Africa
2. Department of Physiological Sciences, Faculty of Science, University of Stellenbosch, Stellenbosch, South Africa
3. Department of Obstetrics and Gynecology, Stellenbosch University, Stellenbosch, South Africa
4. African Cancer Institute (ACI), Department of Global Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Stellenbosch, South Africa