1. Medicine and Surgery Department, UniCamillus - Saint Camillus International University of Health and Medical Sciences, Rome, Italy
2. Psychopharmacology, Drug Misuse, and Novel Psychoactive Substances Research Unit, University of Hertfordshire, College Lane Campus, Hatfield, UK
3. Cividale Community Mental Health Centre, ASUFC Mental Health Department, Via Carraria 29, Cividale del Friuli (Ud), Italy
4. Department of Epidemiology and Environmental Health, University of Kentucky College of Public Health, Lexington, KY, USA
5. Swansea University Medical School, Institute of Life Science 2, Sketty, UK
6. Department of Neurosciences, Imaging, and Clinical Sciences, University of Chieti-Pescara, Chieti, Italy