1. WHO Collaborating Centre for Gonorrhoea and other STIs; Department of Laboratory Medicine, Microbiology; Faculty of Medicine and Health; Örebro University; Örebro Sweden
2. Institute for Infectious Diseases; University of Bern; Bern Switzerland
3. Institute of Social and Preventive Medicine; University of Bern; Bern Switzerland
4. Department of Urology; School of Medicine; University of Occupational and Environmental Health; Kitakyushu Japan
5. Department of Dermatovenerology; Örebro University Hospital; Örebro Sweden
6. Department of Microbiology and Infection Control, Sexually Transmitted Infections, Research and Development; Statens Serum Institut; Copenhagen Denmark
7. Department of Bacteriology I; National Institute of Infectious Diseases; Tokyo Japan