[1] Univ Messina, Dept Radiol Sci, Nucl Med Unit, Messina, Italy
[2] Oncol Inst Southern Switzerland, Dept Nucl Med, Bellinzona, Switzerland
[3] Oncol Inst Southern Switzerland, PET CT Ctr, Bellinzona, Switzerland
[4] Univ Cattolica Sacro Cuore, Inst Radiol, I-00168 Rome, Italy
[5] Univ Cattolica Sacro Cuore, Inst Nucl Med, I-00168 Rome, Italy
[6] Univ Cattolica Sacro Cuore, Sch Med, I-00168 Rome, Italy
[7] Galliera Hosp, Nucl Med Unit, Genoa, Italy
[8] Humanitas Hosp, Nucl Med Unit, Milan, Italy
[9] Euromedic Inc, Positron Emiss Tomog Ctr IRMET, Turin, Italy