Affiliation: | a Department of Medicine, Division of Cardiology, University of Michigan, Ann Arbor, Michigan b Department of Surgery, Section of Cardiothoracic Surgery, Wake Forest University School of Medicine, Winston-Salem, North Carolina c Department of Medicine, Division of Cardiology, University Laval, Ste-Foy, Quebec, Canada d Department of Cardiac Surgery, Kaiser Permanente Hospital, Los Angeles, California e LDS Hospital, Salt Lake City, Utah |