[1] Univ Messina, Nucl Med Unit, Dept Biomed Sci & Morphol & Funct Images, Messina, Italy
[2] Oncol Inst So Switzerland, Nucl Med, Bellinzona, Switzerland
[3] Oncol Inst So Switzerland, PET CT Ctr, Bellinzona, Switzerland
[4] Univ Messina, Dept Econ Business & Environm Sci & Quantitat Met, Messina, Italy
[5] Univ Messina, Dept Clin & Expt Med & Pharmacol, Endocrinol Sect, Messina, Italy