1 Divisions of Cardiothoracic Anesthesiology and Critical Care Medicine, Anesthesiology Institute, Allegheny Health Network, Pittsburgh, PA.
2 Cardiovascular Institute, Allegheny Health Network, Pittsburgh, PA.
3 Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA.
4 Division of Cardiac Anesthesiology, Department of Critical Care, Anesthesia, and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA.
5 Anesthesiology Institute, Allegheny Health Network, Pittsburgh, PA.
6 Cardiovascular Institute, Hospital Clinico San Carlos, Madrid, Spain.
7 Division of Cardiovascular and Thoracic Anesthesiology, Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN. Electronic address: [email protected].