1. National Cancer Registry, National Health Laboratory ServiceJohannesburg South Africa
2. Graduate School for Cellular and Biomedical SciencesUniversity of BernBern Switzerland
3. Institute of Social and Preventive Medicine (ISPM)University of BernBern Switzerland
4. Centre for Infectious Disease Epidemiology and Research (CIDER), School of Public Health and Family MedicineUniversity of Cape TownCape Town South Africa
5. Health Economics HIV And AIDS Research Division (HEARD)University of KwaZulu‐Natal Durban South Africa
6. McCord HospitalOverport Durban South Africa