1 Harrington Heart and Vascular Institute, University Hospitals Cleveland Medical Center, Cleveland, OH.
2 Department of Thoracic Surgery, Faculdade de Medicina da Universidade de São Paulo (FMUSP), Saão Paulo, Brazil.
3 Western Reserve University School of Medicine, Cleveland, OH.
4 Surgical Services, Louis Stokes VA Medical Center, Cleveland, OH; Western Reserve University School of Medicine, Cleveland, OH.
5 Harrington Heart and Vascular Institute, University Hospitals Cleveland Medical Center, Cleveland, OH; Western Reserve University School of Medicine, Cleveland, OH. Electronic address: sal-kindi@houstonmethodist.org.