1. Institute for Global Health, Faculty of Population Health, University College London , London , UK
2. WHO Collaborating Centre for Gonorrhoea and Other Sexually Transmitted Infections, Department of Laboratory Medicine, Microbiology, Faculty of Medicine and Health, Örebro University , Örebro , Sweden
3. Department of Biochemistry and Molecular Biology, University of South Alabama , AL , USA
4. Hanoi Medical University, National Hospital of Dermatology and Venereology , Hanoi , Vietnam
5. Department of Bacteriology I, National Institute of Infectious Diseases , Tokyo , Japan