1. Department of Nursing , University of Thessaly , Larissa , Greece
2. Department of Economics Business and Computer Sciences , Neapolis University Pafos , Pafos , Cyprus
3. University Hospital of Rio , Patra , Greece
4. Department of Nursing , University of Patras , Patra , Greece
5. “Elena” Hospital , Athens , Greece
6. Department of Social and Educational Policy , University of Peloponnese , Corinthos , Greece