Affiliation: | 1. Department of Surgery, Duke University Medical Center, Durham, North Carolina;2. Department of Cardiovascular Surgery, Heart Institute (InCor)—Clinics Hospital of the University of S?o Paulo Medical School, , S?o Paulo, Brazil;3. University of S?o Paulo Medical School, , S?o Paulo, Brazil;4. Heart Institute (InCor)—Clinics Hospital of the University of S?o Paulo Medical School, , S?o Paulo, Brazil;5. Department of Cardiology, Heart Institute (InCor)—Clinics Hospital of the University of S?o Paulo Medical School, , S?o Paulo, Brazil |