1. Department of Economics; University of Parma; Parma Italy
2. Department of Arts and Literature, History and Social Studies; University of Parma; Parma Italy
3. Azienda Ospedaliero Universitaria of Parma; Parma Italy
4. Azienda USL of Bologna; Bologna Italy
5. Azienda Ospedaliero-Universitaria of Ferrara; Ferrara Italy
6. IRCCS Arcispedale Santa Maria Nuova of Reggio Emilia; Reggio Emilia Italy
7. Palliative Care Unit; IRCCS Arcispedale Santa Maria Nuova of Reggio Emilia; Reggio Emilia Italy