[1] University Teaching Hospital “Policlinico-Vittorio Emanuele”,Centre for the Prevention and Treatment of Tobacco Addiction (CPCT)
[2] University of Catania,Center of Excellence for the Acceleration of HArm Reduction (CoEHAR)
[3] University of Catania,Department of Science of Education, Section of Psychology
[4] University of Catania,Department of Clinical & Experimental Medicine
[5] UOC MCAU,Department of Mathematics and Informatics
[6] University Teaching Hospital “Policlinico-Vittorio Emanuele”,UOC Farmacia Ospedaliera
[7] University of Catania,undefined
[8] University of Catania,undefined
[9] Brown University School of Public Health and Alpert School of Medicine,undefined
[10] Russell Burnett Research & Consultancy Ltd,undefined
[11] ECLAT Srl,undefined
[12] Spin-off of the University of Catania,undefined
[13] University of Catania,undefined
[14] ARNAS Hospital “Garibaldi”,undefined