1. Department of Anesthesiology, Wake Forest Baptist Medical Center–Wake Forest School of Medicine, Winston-Salem, North Carolina, USA.
2. Outcomes Research Consortium, Cleveland, Ohio, USA.
3. Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA.
4. Department of Pathology, Wake Forest Baptist Medical Center–Wake Forest School of Medicine, Winston-Salem, North Carolina, USA.
5. Department of Cardiothoracic Surgery, Wake Forest Baptist Medical Center–Wake Forest School of Medicine, Winston-Salem, North Carolina, USA.
6. Department of Radiology, Wake Forest Baptist Medical Center–Wake Forest School of Medicine, Winston-Salem, North Carolina, USA.
7. Department of Anesthesia, The University of Iowa Hospital and Clinics, The University of Iowa, Iowa City, Iowa, USA.