From the Departments of Cardiac Surgery, Medical University of Lübeck, Lübeck, Germany (R.G.L., C.S., H.-H.S.), and the National Heart and Lung Institute at the ...
Division of Cardiovascular Medicine, Hospital of the University of Pennsylvania, Philadelphia (M.C.H., H.C.H., S.A., T.K., J.G.); Cardiovascular Quality, Outcomes ...
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