Dario Giambelluca1, Enrica Di Martino2, Giuseppe Salvaggio3. 1. Section of Radiological Sciences, Di.Bi.Med, University of Palermo, Via del Vespro 127, 90127, Palermo, Italy. dariojambo@hotmail.it. 2. Department of Clinical Pharmacy, ISMETT, Via Ernesto Tricomi 5, 90127, Palermo, Italy. 3. Section of Radiological Sciences, Di.Bi.Med, University of Palermo, Via del Vespro 127, 90127, Palermo, Italy.