1. Department of Obstetrics and Gynaecology, Hillbrow Hospital, Johannesburg;
2. Sexually Transmitted Infections Reference Centre, National Institute for Communicable Diseases (NICD), National Health Laboratory Service (NHLS) and Division of Virology and Communicable Disease Surveillance(DVCDS), University of the Witwatersrand, (Wits) Johannesburg;
3. Department of Microbiological Pathology, University of Limpopo, MEDUNSA campus
4. Melbourne Sexual Health Centre, Calton, Victoria, Australia
5. Department of Microbiology, South African Institute for Medical Research and Wits
6. Respiratory and Meningeal Pathogens Research Unit, NICD, DVCDS, Wits
7. National Tuberculosis Reference Laboratory, NICD, DVCDS,Wits
8. Laboratory Reference and Research Branch, Centers for Disease Control and Prevention, Atlanta, USA.