1. Cardiothoracic Surgery Freeman Hospital Newcastle UK
2. Cardiothoracic Surgery Advent Health Transplant Institute Orlando FL USA
3. Heart Transplantation and Mechanical Assistance Advocate Christ Medical Center Oak Lawn IL USA
4. Cardiovascular and Thoracic Surgery University of Louisville Louisville KY USA
5. Cardiology University of Washington Seattle WA USA
6. Medtronic International Trading Sarl Tolochenaz Switzerland
7. Medtronic Bakken Research Center B.V. Maastricht The Netherlands