John Fanourgiakis, PhD;1,2 Pantazis Kaltsounis, MSc;1 Ιoannis Dimotikalis, PhD;2 Nikolaos Kontodimopoulos, PhD1,3
1School of Social Sciences, Hellenic Open University, Patras, Greece; 2Department of Management Science and Technology, Hellenic Mediterranean University, Agios Nikolaos, Crete, Greece; 3Department of Health Economics, Medical School, National and Kapodistrian University of Athens, Athens, Greece