1. The University of Queensland Centre for Clinical Research (UQ-CCR), The University of Queensland, Brisbane, Queensland, Australia
2. Pathology Queensland Central Laboratory, Brisbane, Queensland, Australia
3. Melbourne Sexual Health Centre, Alfred Hospital and Central Clinical School, Monash University, Melbourne, Victoria, Australia
4. Townsville Sexual Health Service, Townsville, Queensland, Australia
5. Pathology Queensland Townsville Laboratory, Townsville, Queensland, Australia
6. Metro North Sexual Health Service, Brisbane, Queensland, Australia