1. Department of Microbiology, University Hospital of Larissa, Larissa, Greece.
2. Faculty of Medicine in Plzen, Biomedical Center, Charles University, Plzen, Czech Republic.
3. Veterinary Research Institute, Brno, Czech Republic.
4. Faculty of Science, National Center for Biomolecular Research, Masaryk University, Brno, Czech Republic.
5. Department of Obstetrics & Reproduction, Veterinary Faculty, University of Thessaly, Karditsa, Greece.