?:authorAffiliation
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[\'Division of Cardiology, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas (N.S.H., M.H.D.).\', \'Winters Center for Heart Failure Research, Cardiovascular Research Institute, Baylor College of Medicine, Michael E. DeBakey VA Medical Center, Houston, TX (B.B.).\', \'Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, FL (L.T.C.).\']
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