1. Department of Critical Care Medicine; General Hospital of Larissa; Larissa Greece
2. Faculty of Nursing; National and Kapodistrian University of Athens; Athens Greece
3. Department of Intensive Care at Agioi Anargyroi General Hospital; Athens Greece
4. Department of Intensive Care; General Hospital of Larissa; Larissa
5. Faculty of Nursing; National and Kapodistrian University of Athens; Athens
6. Department of Intensive Care; General Hospital of Larissa, Biomed/Cereteth; Research Institution of Larissa; Larissa Greece