1. Centre for Biosystems & Genome Network Medicine, Ioannina University, Ioannina, Greece
2. Department of Surgery, Ioannina University Hospital, Ioannina, Greece
3. Department of Surgery, ‘G Hatzikosta’ General Hospital, Ioannina, Greece
4. Department of Gynecology, General Hospital, Preveza, Greece
5. Cancer Biobank Centre, Department of Medicine, University of Ioannina, Ioannina, Greece
6. Department of Systems Biology, Biomedical Research Foundation of the Academy of Athens (BRFAA), Athens, Greece