1. Associate Professor Department of Nursing University of Ioannina Greece
2. Assistant Professor University of Thessaly Greece
3. Assistant Professor Department of Education and Social Work University of Patra Greece
4. Teaching Fellow Department of Nursing University of Ioannina Greece
5. Statistician School of Health Sciences University of Thessaly Greece
6. Professor University of Thessaly Greece
7. Professor Department of Nursing University of Ioannina Greece