1. Department of Cardiothoracic Surgery Lankenau Heart Institute, Lankenau Medical Center, Main Line Health Wynnewood Pennsylvania USA
2. Department of Cardiothoracic Surgery Research Lankenau Institute for Medical Research Wynnewood Pennsylvania USA
3. Department of Cardiothoracic Surgery Valley Heart and Vascular Institute Ridgewood New Jersey USA
4. Division of Cardiac Surgery St Michael's Hospital, University of Toronto Toronto Ontario Canada
5. Faculty of Medicine, Ain Shams University Cairo Egypt
6. Department of Cardiovascular Sciences KU Leuven Leuven Belgium
7. Philadelphia College of Osteopathic Medicine Bala Cynwyd Pennsylvania USA
8. Department of Thoracic and Cardiovascular Surgery West German Heart and Vascular Center Essen, University Hospital of Essen, University Duisburg‐Essen Essen Germany