1. Department of Radiotherapy, School of Medicine, University of Crete, 711 10, Heraklion, Greece
2. Medical School, University of Thessaly, 415 00 Larissa, Greece
3. Department of Medical Oncology, Metaxa Cancer Hospital, 185 37 Athens, Greece
4. Plastic Surgery Clinic, Evangelismos General Hospital, Ipsilantou 45-47, 106 76, Athens, Greece
5. Department of Oncology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Biopolis, 41500, Larisa, Greece
6. Department of Surgery, Medical School, University of Thessaly, 415 00 Larissa, Greece
7. Department of Surgical Oncology, Medical School of Crete University Hospital, 711 10 Heraklion, Greece
8. Faculty of Medicine, School of Health Sciences, University of Ioannina, Ioannina, Greece
9. Department of Medical, Oncology, Greece Society for Study of Clonal Heterogeneity of Neoplasia (EMEKEN), University Hospital of Ioannina, Ioannina, Greece
10. Department of Oncology, 401 General Military Hospital of Athens, 115 25, Athens, Greece