1. Department of Surgery, Penn Presbyterian Medical Center, University of Pennsylvania Health System, Philadelphia, PA, USA
2. Division of Cardiac Surgery, Penn Presbyterian Medical Center, University of Pennsylvania Health System, Philadelphia, PA, USA
3. Department of Anesthesia, Penn Presbyterian Medical Center, University of Pennsylvania Health System, Philadelphia, PA, USA
4. Department of Pathology, Penn Presbyterian Medical Center, University of Pennsylvania Health System, Philadelphia, PA, USA
5. Division of Vascular Surgery, Penn Presbyterian Medical Center, University of Pennsylvania Health System, Philadelphia, PA, USA