[1] Univ G Annunzio Chieti Pescara, Dept Neurosci, Imaging, Clin Sci, Chieti, Italy
[2] Magna Graecia Univ Catanzaro, Dept Med & Surg Sci, Catanzaro, Italy
[3] ASL2 Abruzzo, Dept Mental Hlth, Chieti, Italy
[4] ASL Napoli 2 Nord, Dept Mental Hlth, Naples, Italy
[5] Univ Hertfordshire, Sch Life & Med Sci, Psychopharmacol Drug Misuse & Novel Psychoact Subs, Hatfield, England
[6] Univ Cambridge, Dept Psychiat, Cambridge, England
[7] UCL, Fac Brain Sci, London, England
[8] Nottingham Trent Univ, Psychol Dept, Int Gaming Res Unit, Nottingham, England
[9] Univ Hertfordshire, Dept Clin & Pharmaceut Sci, Hatfield, England