| Authors: |
Brown CR; Division of Cardiovascular Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania; Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia, Pennsylvania. Electronic address: chase.brown@pennmedicine.upenn.edu., Sperry AE; Division of Cardiovascular Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania., Cohen WG; Division of Cardiovascular Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania., Han JJ; Division of Cardiovascular Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania; Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia, Pennsylvania., Khurshan F; Division of Cardiovascular Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania., Groeneveld P; Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia, Pennsylvania; Department of Internal Medicine, Michael J. Crescenz Department of Veterans Affairs Medical Center, Philadelphia, Pennsylvania., Desai N; Division of Cardiovascular Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania; Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia, Pennsylvania. |