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.