1. Vita-Salute San Raffaele University, Via Olgettina, 58, 20132 Milan, Italy
2. Department of Nuclear Medicine, San Raffaele Hospital, Via Olgettina, 58, 20132 Milan, Italy
3. Department of Experimental Medicine, Second University of Naples, Via Santa Maria di Costantinopoli, 16, 80138 Naples, Italy
4. Neurological and Stroke Unit, CTO Hospital, AORN, “Ospedali dei Colli”, Viale Colli Aminei, 21, 80131 Naples, Italy