The Netherlands
Academisch Medisch Centrum, Amsterdam
Erasmus Medical Center, Rotterdam
Poland
St Raphael Hospital, Krakow
American Heart of Poland, Bielsko-Biała
SPZOZ University Hospital, Krakow
Gornowlaskie Centrum Medycnze, Katowice
Holy Transfiguration Clinical Hospital, Poznan
Spain
Hospital Clinico Y Provincial, Barcelona
Hospital Universitario La Paz, Madrid
Hospital Clinico San Carlos, Madrid
Hospital Puerta de Hierro, Majadahonda
Hospital Clinico Salamanca, Salamanca
Hospital Marqués de Valdecilla, Santander
Meixoeiro Hospital, Vigo
United Kingdom
Belfast Health & Social Care Trust, Belfast
The Royal Infirmary of Edinburgh, Edinburgh
Liverpool Heart and Chest Hospital, Liverpool
Imperial College Healthcare, London
Manchester Royal Infirmary, Manchester
Oxford University Hospitals, Headington
Freeman Hospital Newcastle, Newcastle
Papworth Hospital, Cambridge
Brighton and Sussex University Hospitals, Brighton
Latvia
Pauls Stradins Clinical University Hospital, Riga