1. Cardiology, Swiss Cardiovascular Center Bern, University Hospital; CH-3010 Bern Switzerland
2. Department of Cardiothoracic Surgery; Muenster University Hospital; D-48120 Münster Germany
3. Study Group on Advanced Heart Failure, Secretariat; OX14 3YT Oxfordshire UK
4. Vastra Frolunda; S-42669 Tjadergatan 21 Sweden
5. Clinical Cardiology and Heart Failure Unit, Istitute Clinico Humanitas; 1-20089 Via Manzoni, 56 Rozzano Milano Italy
6. Group Hospitalier Pitié-Salpêtrière, Service de Cardiologie, 47 Boulevard de L'Hôpital; F-75019 Cedex 13 Paris France
7. Cardiology, University of Vienna; A-1090 Wahringer Gürtel 18-29 Vienna Austria
8. Masaryk University, School of Medicine, St Ann's University Hospital; 65691 Pakarska 53 Brno Czech Republic
9. Department of Medicine; Sahlgrenska University Hospital/Östra; S-41685 Göteborg Sweden
10. Castle Hill Hospital; Castle Road, Cottingham, Hull East Yorkshire HU16 5JQ UK