1. Oncology Unit, “Dario Camberlingo” Hospital, 72021 Francavilla Fontana, Italy
2. Oncology Unit, “San Carlo” Hospital, 85100 Potenza, Italy
3. Oncology Unit, “Ospedale Civile Santissima Annunziata” Hospital, 07100 Sassari, Italy
4. Oncology Unit, “San Paolo” Hospital, 70123 Bari, Italy
5. Oncology Unit, “Mons. Dimiccoli” Hospital, 70051 Barletta, Italy
6. “Don Tonino Bello”, I.R.C.C.S. Istituto Tumori “Giovanni Paolo II”, 70124 Bari, Italy