1. Medical Oncology, San Salvatore Hospital; University of L'Aquila; L'Aquila Italy
2. Department of Biotechnological and Applied Clinical Sciences; University of L'Aquila; L'Aquila Italy
3. Faculty of Medicine; University of Milan; Milan Italy
4. Clinical Oncology Unit; S.S. Annunziata Hospital; Chieti Italy
5. Department of Medical, Oral and Biotechnological Sciences; University G. D'Annunzio; Chieti Italy