1. Department of Educational Sciences, Section of Psychology, University of Catania, Catania, Italy
2. Center of Excellence for the Acceleration of Harm Reduction (COEHAR), University of Catania, Catania, Italy
3. CTA-Villa Chiara Psychiatric Rehabilitation Clinic and Research, Mascalucia, Italy
4. Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
5. ECLAT Srl, Spin-Off of the University of Catania, Catania, Italy
6. ASP 3 CT, Catania, Italy
7. Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy