1. World Health Organization Collaborating Centre for Gonorrhoea and other Sexually Transmitted Infections, Swedish Reference Laboratory for Pathogenic Neisseria, Department of Laboratory Medicine, Microbiology, Örebro University Hospital, Örebro, Sweden
2. Department of Clinical Microbiology, Karolinska University Hospital, Stockholm, Sweden
3. Department of Clinical Microbiology, Central Hospital, Växjö, Sweden
4. Department of Dermatovenereology, Karolinska University Hospital, Stockholm, Sweden
5. Department of Dermatology, Karolinska Institutet at Södersjukhuset, Stockholm, Sweden