1. Cardiovascular Division (B.B., G.P. V.P., Y.S.C.)
2. University of Nebraska Medical Center, Omaha. Sands Constellation Heart Institute, Rochester Regional Health, NY (B.B.).
3. Department of Cardiovascular Diseases, University of South Dakota Sanford School of Medicine, Sioux Falls (M.G.).
4. Division of Cardiothoracic Surgery (M.M., A.S.)
5. Division of Cardiology, Emory University School of Medicine, Atlanta, GA (T.R.).
6. Department of Cardiovascular Medicine, Mount Sinai Hospital, New York, NY (G.D.).
7. Brigham and Women’s Hospital Heart and Vascular Center, Harvard Medical School, Boston, MA (D.L.B.).