1 First Cardiology Department, Athens Medical School, Hippokration General Hospital, National and Kapodistrian University of Athens, Vas. Sofias 114, 11528, Athens, Greece. glaz35@hotmail.com.
2 First Cardiology Department, Athens Medical School, Hippokration General Hospital, National and Kapodistrian University of Athens, Vas. Sofias 114, 11528, Athens, Greece.