[1] Univ Thessalia, Sch Med, Dept Microbiol, Larisa, Greece
[2] Inst BioMed Res & Technol, Dept Mol Microbiol, Larisa, Greece
[3] Univ Thessalia, Dept Biochem & Biotechnol, Larisa, Greece
[4] Sismanogl Gen Hosp Athens, Dept Microbiol, Athens, Greece
[5] Univ Patras, Sch Med, Dept Microbiol, GR-26110 Patras, Greece