HARISIOS BOUDOULAS is Professor of Medicine/Cardiology (emeritus), The Ohio State University, Columbus, Ohio, USA. Dr. Boudoulas is also Director of the Clinical Research Center and President of the Scientific Council of the Biomedical Research Foundation at the Academy of Athens, Athens, Greece.CHRISTODOULOS STEFANADIS is Professor of Cardiology and President of the Medical School, The University of Athens, Athens, Greece. In addition, Dr. Stefanadis is Director of the First Department of Cardiology, Hippokration Hospital, Athens, Greece.