1. Department of Surgery St. Luke's University Health Network Bethlehem Pennsylvania USA
2. Department of Cardiac Surgery University of Michigan Ann Arbor Michigan USA
3. Division of Cardiac Surgery Yale School of Medicine New Haven Connecticut USA
4. Department of Cardiology Tokyo Bay Urayasu Ichikawa Medical Center Urayasu Japan
5. Department of Cardiovascular Surgery Shizuoka Medical Center Shizuoka Japan
6. Division of Cardiology, Heart failure and Transplantation University of Iowa Iowa City Iowa USA
7. Department of Medicine, Icahn School of Medicine at Mount Sinai Mount Sinai Beth Israel New York City New York USA
8. Department of Cardiology Montefiore Medical Center, Albert Einstein Medical College New York New York USA