1. Heart and Vascular Clinic Tbilisi Georgia
2. Robertson Centre for Biostatistics and Clinical Trials University of Glasgow University Avenue Glasgow G12 8QQ UK
3. Heart Institute Ministry of Health of Ukraine Kiev Ukraine
4. Amosov National Institute of Cardiovascular Surgery Kiev Ukraine
5. Heart Center University Hospital Zurich Switzerland
6. Faculty of Biomedical Sciences University Svizzera Italiana Lugano Switzerland
7. School of Medicine University of Indiana Fort Wayne IN USA
8. Department of Medicine Duke University Medical Center Durham NC USA
9. Duke Clinical Research Institute Durham NC USA
10. Section of Advanced Heart Failure and Cardiac Transplant, Division of Cardiovascular Medicine University of Pennsylvania Philadelphia PA USA