1. Antimicrobial Research Unit, College of Health Sciences, University of KwaZulu-Natal, Durban 4000, South Africa
2. Residue Laboratory, Agricultural Research Council, Onderstepoort Veterinary Research Campus, Onderstepoort 0110, South Africa
3. School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham B15 2TT, UK
4. Department of Integrative Biology and Bioinformatics, University of Guelph, Guelph, ON N1G 2W1, Canada
5. Sequencing Core Facility, National Institute for Communicable Diseases, National Health Laboratory Service, Johannesburg 2192, South Africa
6. Department of Biochemistry and Microbiology, University of Venda, Thohoyandou 0950, South Africa
7. Environmental Research Foundation, Westville 3630, South Africa