1 Executive Advisor, Cardiovascular Center, St. Luke's International Hospital, Tokyo, Japan.
2 Professor of Internal Medicine/Cardiology, Klinik für Gefäßmedizin, Universitäres Herz- und Gefäßzentrum Hamburg, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany.
3 Professor of Cardiovascular Surgery, Department of Cardiovascular Surgery, Faculty of Medicine, Dokuz Eylul University, Izmir, Turkey.
4 Professor of Internal Medicine/Cardiology, International Center for Adult Congenital Heart Disease, German Heart Center Munich, Technical University Munich, Munich, Germany.