1. Institute of Psychiatry and Psychology; Fondazione Policlinico Universitario “A. Gemelli” Università Cattolica del Sacro Cuore; Rome Italy
2. Department of Neuroscience Imaging and Clinical Science, “G. d'Annunzio” University of Chieti, Italy; Department of Pharmacy, Pharmacology and Clinical Science; University of Hertfordshire; Herts UK
3. Institute of Nuclear Medicine; Fondazione Policlinico Universitario “A. Gemelli” Università Cattolica del Sacro Cuore; Rome Italy
4. Department of Public Health and Infectious Diseases; Sapienza University of Rome; Rome Italy