[1] Univ Roma La Sapienza, St Andrea Hosp, Dept Translat Med, Nucl Med Unit, Rome, Italy
[2] Univ Roma La Sapienza, St Andrea Hosp, Dept Clin & Mol Med, Unit Pneumol, Rome, Italy
[3] Univ Roma La Sapienza, St Andrea Hosp, Dept Clin & Mol Med, Unit Cardiol, Rome, Italy
[4] Univ Roma La Sapienza, St Andrea Hosp, Dept Clin & Mol Med, Unit Pathol, Rome, Italy