1. HIV and Hepatitis Research Unit; Department of Virology; University of Limpopo (Medunsa Campus) and National Health Laboratory Service; Pretoria South Africa
2. Department of Obstetrics and Gynaecology; University of Limpopo (Medunsa campus) and Dr George Mukhari Academic Hospital; Pretoria South Africa
3. Department of Dermatology; University of Limpopo (Medunsa campus) and Dr George Mukhari Academic Hospital; Pretoria South Africa