[1] Policlin Tor Vergata, Nucl Med, Rome, Italy
[2] Univ Roma Tor Vergata, Dept Biomed & Prevent, Via Montpellier 1, I-00133 Rome, Italy
[3] San Raffaele Univ, Via Val Cannuta 247, I-00166 Rome, Italy
[4] Univ Roma Tor Vergata, Dept Expt Med & Surg, Via Montpellier 1, I-00133 Rome, Italy
[5] IRCCS Neuromed Lab Diagnost Med & Villa dei Plata, Via Nazl 146, I-83010 Mercogliano, VA, Italy
[6] IRCCS Neuromed, Via Atinense 18, I-86077 Pozzilli, IS, Italy