1. WHO Collaborating Centre for Gonorrhoea and other STIs, National Reference Laboratory for STIs, Department of Laboratory Medicine, Microbiology, Örebro University Hospital and Faculty of Medicine and Health, Örebro University, Örebro, Sweden
2. University Hospital Birmingham NHS Foundation Trust, Birmingham, UK
3. Department of Dermatology and Venereology, Medical University of Białystok, Białystok, Poland
4. Moscow Scientific and Practical Center of Dermatovenereology and Cosmetology, Moscow, Russia
5. Department of Dermatology, Fondazione IRCCS Ca' Granda Ospedale Policlinico, Milano, Italy
6. Infection Preparedness, Research Unit for Reproductive Tract Microbiology, Statens Serum Institut, Copenhagen, Denmark