1. General Hospital of Alexandroupoli, Greece
2. General Hospital “Agios Dimitrios-G Gennimatas” ThesSaloniki, Greece
3. Private Diagnostic Health Center of Thessaloniki, Greece
4. Home-based Nursing Care, Nursing Department - Hellenic Mediterranean University, Greece
5. Nursing Department, University of Western Attica, Athens, Greece
6. Department of Nursing, Hellenic International University “DIPAE’’, Thessaloniki, Greece.