1. Department of Medical Microbiology, Faculty of Health SciencesUniversity of Pretoria Pretoria South Africa
2. National Health Laboratory Services Pretoria South Africa
3. Biomedical Resource Unit, School of Laboratory Medicine and Medical SciencesUniversity of KwaZulu‐Natal Durban South Africa
4. Antimicrobial Research Unit, School of Health SciencesUniversity of KwaZulu‐Natal Durban South Africa
5. Department of Internal MedicineUniversity of the Witwatersrand Johannesburg South Africa