Guido Giarelli1, Ellen Annandale2, Carlo Ruzza3. 1. Department of Health Sciences, University of "Magna Graecia", Catanzaro, Italy. Electronic address: giarelli@unicz.it. 2. Department of Sociology, University of York, York, UK. Electronic address: ellen.annandale@york.ac.uk. 3. Department of Sociology and School of International Studies, University of Trento, Trento, Italy. Electronic address: carlo.ruzza@unitn.it.