Health economics.

Papaioannou TG Biomedical Engineering Unit, First Department of Cardiology, Hippokration Hospital, Medical School, National and Kapodistrian University of Athens, Athens 11527, Greece. Electronic address: thepap@med.uoa.gr.
Karamanou M Institute of History of Medicine and Public Health, CHUV, University of Lausanne, Lausanne, Switzerland.
Vavuranakis M Biomedical Engineering Unit, First Department of Cardiology, Hippokration Hospital, Medical School, National and Kapodistrian University of Athens, Athens 11527, Greece.
Tousoulis D Biomedical Engineering Unit, First Department of Cardiology, Hippokration Hospital, Medical School, National and Kapodistrian University of Athens, Athens 11527, Greece.