1. Consultant Cardiologist & Intensivist, Royal Brompton Hospital , London, UK
2. National Heart & Lung Institute , Imperial College, London, UK
3. Duke University , Durham, NC, USA
4. 3rd Medical Department, Cardiology and Intensive Care Medicine , Klinik Ottakring (Wilhelminenhospital), Montleartstrasse 37, 1160, Vienna, Austria
5. Medical School, Sigmund Freud University , Vienna, Austria
6. Ludwig Boltzmann Institute for Cardiovascular Research , Vienna, Austria