[1
]
Department of Hygiene and Epidemiology, Medical School, University of Thessaly, Larissa,
Greece.
[2
]
Department of Microbiology, Tzaneio Hospital, Piraeus, Greece.
[3
]
Department of Microbiology, Medical School, University of Thrace, Alexandroupolis,
Greece.
[4
]
Department of Microbiology, Medical School, Aristotelian University of Thessaloniki,
Thesaloniki, Greece.
[5
]
Department of Microbiology, KAT Hospital, Athens, Greece.
[6
]
Department of Microbiology, Medical School, University of Athens, Athens, Greece.
[7
]
Department of Biochemistry, Medical School, University of Patras, Patras, Greece.
[8
]
Department of Microbiology, Medical School, University of Athens, Athens, Greece spournaras@med.uoa.gr.