1. Department of Medical Microbiology, National Health Laboratory Service, Durban, South Africa
2. Medical Microbiology and Infection Control, School of Laboratory Medicine & Medical Science, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
3. Infection Control Services Laboratory, Department of Clinical Microbiology and Infectious Diseases, Witwatersrand Medical School, Johannesburg, South Africa
4. Department of Medical Microbiology, National Health Laboratory Service, Universitas Academic Laboratory, University of the Free State, Bloemfontein, South Africa