1 NHS, Department of Mental Health, Psychiatric Service for Diagnosis and Treatment, Hospital "G. Mazzini", Teramo, Italy.
2 Section of Psychiatry, Department of Neuroscience, Reproductive Sciences, and Dentistry, Federico II University, Naples, Italy.
3 Section of Psychiatry, Department of Clinical Neurosciences/DIMSC, Polytechnic University of Ancona, Ancona, Italy.
4 Psychopharmacology, Drug Misuse and Novel Psychoactive Substances Research Unit, School of Life and Medical Sciences, University of Hertfordshire, Hatfield, United Kingdom.