1. Department of Medical Oncology, University General Hospital of Larissa, Larissa, Thessaly, Greece
2. Department of Medical Oncology, University General Hospital of Alexandroupolis, Alexandroupolis, Thrace, Greece
3. Division of Genetics, Cell and Developmental Biology, Department of Biology, University of Patras, Patras, Greece
4. Department of Medical Oncology, Hellenic Oncology Research Group (HORG), Athens, Greece
5. Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Thessaly, Greece