1. Department of Cardiology, Laiko General Hospital, Athens, Greece.
2. Cardiovascular Prevention & Research Unit, Clinic and Laboratory of Pathophysiology, National and Kapodistrian University of Athens School of Medicine, Athens, Greece.
3. Infectious Diseases Unit, Department of Pathophysiology, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece.
4. CT Unit, Radiology Department, General Hospital of Athens Laiko, Athens, Greece.
5. 2nd Department of Radiology, National and Kapodistrian University of Athens School of Medicine, Athens, Greece.