1. Advanced Heart Failure Section Spectrum Health Grand Rapids Michigan USA
2. Sarver Heart Center University of Arizona Tucson Arizona USA
3. Division of Cardio Thoracic Surgery Spectrum Health Grand Rapids Michigan USA
4. Department of Cardiovascular Research Spectrum Health Grand Rapids Michigan USA
5. Frederik Meijer Heart and Vascular Institute Spectrum Health Grand Rapids Michigan USA
6. DeVos Cardiovascular Research Program Van Andel Institute/Spectrum Health Grand Rapids Michigan USA
7. Cardiovascular Institute Stanford University Palo Alto California USA