1. Department of Surgery, University Hospital of Larissa, Larissa, Greece
2. Department of Pathology, University Hospital of Larissa, Larissa, Greece
3. Postgraduate Programme (MSc): Research Methodology in Biomedicine, Biostatistics and Clinical Bioinformatics at University of Thessaly, Thessaly, Greece
4. Department of Embryology, University Hospital of Larissa, Larissa, Greece