1. Cancer Biobank Center, University of Ioannina, Ioannina, Greece
2. Hypoxia and Angiogenesis Group, Molecular Oncology Laboratories, Weatherall Institute of Molecular Medicine, University of Oxford, John, Radcliffe Hospital
3. Department of Forensic Pathology, University of Ioannina, Ioannina, Greece
4. Department of Pathology, “G. Hatzikosta” General Hospital, Ioannina, Greece
5. Department of Hematology, Medical School, University of Ioannina, Ioannina, Greece
6. Departments of Embryology, Histology and Anatomy, University of Ioannina, Ioannina, Greece