1. Division of the National Health Laboratory Service, National Institute for Occupational Health (NIOH), Johannesburg, South Africa
2. Department of Clinical Microbiology and Infectious Diseases, School of Pathology, University of the Witwatersrand, Johannesburg, South Africa
3. Department of Environmental Health, University of Johannesburg, Johannesburg, South Africa
4. Mechanical Engineering, Council for Scientific and Industrial Research (CSIR), Accra, Ghana
5. Department of Mechanical Engineering, Nelson Mandela University, Gqeberha, South Africa
6. Division of Biosafety & Biosecurity, National Institute for Communicable Diseases (NICD), Johannesburg, South Africa
7. School of Public Health, University of the Witwatersrand, Johannesburg, South Africa
8. National Metrology Institute of South Africa (NMISA), Pretoria, South Africa