1. Santé publique France (the French national public health agency), Saint-Maurice, France
2. National Reference Centre for bacterial STI (Chlamydia), Pellegrin Hospital, Bordeaux, France
3. National Reference Centre for bacterial STI (Gonorrhoea), Alfred Fournier Institute, Paris, France
4. National Reference Centre for bacterial STI (Syphilis), Cochin Hospital, Paris, France
5. National Reference Centre for bacterial STI (Gonorrhoea), Saint-Louis Hospital, Paris, France
6. Saint-Louis Hospital, Paris, France
7. Dron Hospital, Tourcoing, France
8. “Le 190”, Sexual Health Centre, Paris, France
9. University Hospital Centre, Toulouse, France
10. Departmental committee of Bouches-du-Rhône, Marseille, France