1. Faculty of Medicine, School of Health Sciences, University of Thessaly, Biopolis, Larisa, 41500, Greece
2. Faculty of Medicine, School of Health Sciences, University of Thessaly, University Hospital of Larisa, Biopolis, 41500 Larisa, Greece
3. 401 General Military Hospital, Athens, Greece
4. Department of Radiotherapy/Radiation Oncology, General Children’s Hospital “P. & A. Kyriakou”, Levadeiasstr, 115 27, Athens, Greece
5. Department of Radiotherapy/Radiation Oncology, Faculty of Medicine, School of Health Sciences, University of Thessaly, University Hospital of Larisa, Biopolis, 41500 Larisa, Greece