1 Department of Medicine and Surgery, Public Health Section, University of Perugia, Perugia, Italy.
2 Department of Political Sciences, University of Perugia, Perugia, Italy.
3 Center of Excellence for the Acceleration of HArm Reduction (CoEHAR), University of Catania, Catania, Italy.
4 Department of Clinical & Experimental Medicine, University of Catania, Catania, Italy.
5 ECLAT Srl, Spin-off of the University of Catania, Catania, Italy.
6 Department of Medicine and Surgery, Cardiology and Cardiovascular Pathophysiology Section, University of Perugia, Perugia, Italy. giuseppe.ambrosio@unipg.it.
7 CERICLET-Centro Ricerca Clinica E Traslazionale, University of Perugia, Perugia, Italy. giuseppe.ambrosio@unipg.it.