Wilson Luiz da Costa1, Hop S Tran Cao2, Nader N Massarweh3,4. 1. Dan L. Duncan Comprehensive Cancer Center, Department of Medicine, Epidemiology, and Population Sciences, Baylor College of Medicine, Houston, Texas. 2. Department of Surgical Oncology, University of Texas MD Anderson Cancer Center, Houston. 3. Center for Innovations in Quality, Effectiveness and Safety, Michael E. DeBakey VA Medical Center, Houston, Texas. 4. Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, Texas.