1. 4th Department of Internal Medicine, University of Athens Medical School, “Attikon” University Hospital, Athens, Greece
2. 2nd Department of Pathology, University of Athens Medical School, “Attikon” University Hospital, Athens, Greece
3. 3rd Department of Obstetrics and Gynecology, University of Athens Medical School, “Attikon” University Hospital, Athens, Greece
4. 2nd Department of Pulmonary Medicine, University of Athens Medical School, “Attikon” University Hospital, Athens, Greece