1. National Reference Center for Neisseria gonorrhoeae, Department of Bacteriology, Hellenic Pasteur Institute,
1
2. Laboratory of Antimicrobial Agents, Department of Microbiology, Athens University Medical School,
2
and
3. Microbiology Laboratory of the “Andreas Sygros” Hospital for Skin and Venereal Diseases,
3
Athens, and
4. Microbiology Laboratory of the Venereal Hospital of Thessaloniki, Thessaloniki,
4
Greece