1. REM Radioterapia srl Viagrande Italy
2. Department of Medicine and Surgery University Kore of Enna Enna Italy
3. Department of Plastic Surgery Istituto Oncologico del Mediterraneo Viagrande Italy
4. Radiology Unit Giovanni Paolo II Hospital Ragusa Italy
5. Department of Neurosurgery Trauma Center, Gamma Knife Center, Cannizzaro Hospital Catania Italy
6. Genomics and Experimental Oncology Unit Istituto Oncologico del Mediterraneo Catania Italy