1. General Hospital of Kavala , Kavala , Greece
2. Nursing Department , International Hellenic University , Didymoteicho , Greece
3. Postgraduate program on Bioethics , Laboratory of Bioethics , Medical School, Democritus University of Thrace , Alexandroupolis , Greece
4. Medical Informatics Laboratory , Democritus University of Thrace , Alexandroupolis , Greece
5. Faculty of Medicine , University of Cyprus , Lefkosia , Cyprus
6. Faculty of Medicine , Democritus University of Thrace , Alexandroupolis , Greece