1. WHO Collaborating Centre for Gonorrhoea and Other STIs, National Reference Laboratory for STIs, Department of Laboratory Medicine, Faculty of Medicine and Health, Ӧrebro University, Ӧrebro, Sweden
2. Department of Clinical Microbiology, Karolinska University Hospital, Huddinge, Sweden
3. Department of Venerology at Karolinska University Hospital, Stockholm, Sweden
4. Department of Bacteriology I, National Institute of Infectious Diseases, Tokyo, Japan
5. Institute for Global Health, University College London (UCL), London, United Kingdom