1. Nuclear Medicine, Policlinico Tor Vergata, Rome, Italy
2. Department of Biomedicine & Prevention, University of Rome ‘Tor Vergata’, Via Montpellier, 1, Rome 00133, Italy
3. San Raffaele University, Via di Val Cannuta 247, 00166, Rome, Italy
4. Department of Experimental Medicine & Surgery, University of Rome ‘Tor Vergata’, Via Montpellier, 1, Rome 00133, Italy
5. IRCCS Neuromed Lab. ‘Diagnostica Medica’ & ‘Villa dei Platani’, Via Nazionale, Mercogliano (AV) 146–83010, Italy
6. IRCCS Neuromed, Via Atinense, 18, Pozzilli 86077 (IS), Italy