Affiliation: | 2. Department of Anesthesiology and Critical Care;3. Division of Cardiovascular Surgery, Department of Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA;2. Hospital México C.C.S.S., Universidad de Costa Rica, San José, Costa Rica;3. Department of Surgery, Division of Cardiac Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA |