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 Gynecology; 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