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