1. Division of Cardiothoracic Surgery, Department of Surgery, Institute of Human Values in Health Care, Medical University of South Carolina, Charleston, SC, USA
2. Department of Cardiovascular Surgery, University Heart Center Freiburg, Freiburg, Germany
3. Department of Cardiovascular Surgery, Icahn School of Medicine at Mount Sinai, New York, NY, USA
4. Division of Cardiothoracic Surgery, Department of Surgery, Thomas Jefferson University, Philadelphia, PA, USA
5. Division of Cardiothoracic Surgery, Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, USA