1 1st Cardiology Clinic, National and Kapodistrian University of Athens, School of Medicine, Hippokration General Hospital Athens, Greece. Electronic address: glaz35@hotmail.com.
2 1st Cardiology Clinic, National and Kapodistrian University of Athens, School of Medicine, Hippokration General Hospital Athens, Greece.
3 2nd Department of Medicine and Laboratory, Clinical Immunology-Rheumatology Unit, National and Kapodistrian University of Athens, School of Medicine, Hippokration General Hospital Athens, Greece.