1. Queensland Paediatric Infectious Diseases Laboratory, & Queensland Children's Medical Research Institute, The University of Queensland, Brisbane, QLD 4029, Australia
2. WHO Collaborating Centre for Sexually Transmitted Diseases, Department of Microbiology, South Eastern Area Laboratory Services, Prince of Wales Hospital, Sydney, NSW, Australia
3. WHO Collaborating Centre for Gonorrhoea & other STIs, National Reference Laboratory for Pathogenic Neisseria, Department of Laboratory Medicine, Microbiology, Örebro University Hospital, Örebro, Sweden