1 Department of Psychology, University of Campania "Luigi Vanvitelli", Viale Ellittico 31, Caserta, Italy. alda.troncone@uninacampania.it.
2 Department of Psychology, University of Campania "Luigi Vanvitelli", Viale Ellittico 31, Caserta, Italy.
3 Department of the Woman, of the Child and of the General and Specialistic Surgery, University of Campania "Luigi Vanvitelli", Regional Centre of Paediatric Diabetology "G.Stoppoloni", Via Luigi De Crecchio, 2, Naples, Italy.