1. Center for Medical Physics and Biomedical Engineering, Department of Cardiac Surgery, Medical University of Vienna, Ludwig Boltzmann Cluster for Cardiovascular Research, Vienna - Austria
2. Mechanical Circulatory Support Heart and Lung Transplant Unit, St. Vincent's Hospital, Sydney - Australia
3. Advanced Heart Failure and Cardiac Transplant Unit, Prince Charles Hospital - Australia
4. Cardiothoracic Department, Oslo University Hospital, Oslo - Norway
5. Department of Cardiothoracic and Vascular Surgery, German Heart Institute, Berlin - Germany
6. HeartWare Inc., Framingham, MA- USA
7. Cardiothoracic Surgery, Freeman Hospital, Newcastle upon Tyne - UK