1. Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
2. European Programme for Intervention Epidemiology Training (EPIET) Fellow, Istituto Superiore di Sanità, Rome, Italy
3. Institute of Public Communication (ICP), Faculty of Communication Sciences, Università della Svizzera italiana, Lugano, Switzerland
4. European Office for Investment for Health and Development, World Health Organization (WHO), Venice, Italy
5. Department of Public Health and Policy, University of Liverpool, Liverpool, UK