Eberhard Grube

University Hospital, Heart Center,
Department of Medicine II, Bonn, Germany


Zenon Huczek

University Clinical Hospital, Warsaw, Poland


Wojciech Wojakowski

Upper-Silesian Medical Centre
of the Silesian Medical University, Katowice, Poland


Maciej Dąbrowski

National Institute of Cardiology, Warsaw, Poland


Piotr Olszówka

Clinical Hospital No 2, Rzeszów, Poland