St. George’s University of London Medical School at University of Nicosia;
2408 Nicosia;
Cyprus;
Department of Psychiatry;
Nicosia Mental Health Services;
Athalassa Psychiatric Hospital;
1432 Nicosia;
Cyprus;
1st Critical Care Medicine Department;
Cardiopulmonary Exercise Testing and Rehabilitation Laboratory;
"Evgenidio" Hospital;
Na-tional and Kapodistrian University of Athens;
15128 Athens;
Greece;
3rd Cardiology Department;
"Laiko" Hospital;
National and Kapodistrian University of Athens;
15128 Athens;
Greece;
Chronic; heart; failure; Five-Factor; Personality; Inventory; Kansas; City; Cardiomyopathy; Questionnaire; Quality; of; Life;