* Assistant Professor of Anesthesia and Critical Care, University of Chicago.
† Instructor of Cardiac Surgery, University of Chicago.
‡ Assistant Professor of Internal Medicine, Division of Cardiology, University of Chicago.
§ Medical Student, University of Chicago.
¶ Fellow, Department of Cardiology, University of Minnesota.
** Professor and Chairman, Department of Anesthesia and Critical Care, University of Chicago.
†† Professor of Surgery, Chief Division of Cardiac Surgery, University of Chicago.