LINKING SUSTAINABILITY COMMUNICATION AND SOCIAL NETWORKING IN THE TREATMENT OF RARE DISEASES Alfonso Siano Full Professor, Dept. of Political, Social, and Communication Sciences, University of Salerno, Italy Gennaro Romano PhD candidate in Marketing and Communication, Dept. of Political, Social, and Communication Sciences, University of Salerno, Italy Carmela Tuccillo PhD in Marketing and Communication, Dept. of Political, Social, and Communication Sciences, University of Salerno, Italy Contact details Alfonso Siano University of Salerno, Via Ponte Don Melillo, 84084 - Fisciano (SA), Italy sianoalf@unisa.it +39 089 962214 Gennaro Romano University of Salerno, Via Ponte Don Melillo, 84084 - Fisciano (SA), Italy gromano@unisa.it +39 089 963050 Carmela Tuccillo University of Salerno, Via Ponte Don Melillo, 84084 - Fisciano (SA), Italy ctuccillo@unisa.it +39 089 963050