Affiliation: | 1. Department of Surgery, The Brody School of Medicine at East Carolina University, Greenville, NC;2. Department of Public Health, The Brody School of Medicine at East Carolina University, Greenville, NC;1. MedStar-Georgetown Surgical Outcomes Research Center, Washington, DC;2. Department of Biostatistics, Bioinformatics and Biomathematics, Georgetown University, Washington, DC;3. Department of Surgery, MedStar-Georgetown University Hospital, Washington, DC;4. Georgetown-Howard Universities Center for Clinical and Translational Science, Washington, DC;5. MedStar Health Research Institute, Hyattsville, MD;1. Cardiovascular Outcomes Research Laboratories (CORELAB), University of California Los Angeles, Los Angeles, California;2. Department of Surgery, University of California Los Angeles, Los Angeles, California;3. Department of Surgery, Harbor UCLA, Torrance, California;4. Division of Cardiac Surgery, University of California Los Angeles, Los Angeles, California;1. Cardiovascular Outcomes Research Laboratories (CORELAB), University of California Los Angeles, Los Angeles, California;2. Department of Surgery, University of California Los Angeles, Los Angeles, California;3. Department of Surgery, Harbor UCLA, Torrance, California;4. Division of Cardiac Surgery, University of California Los Angeles, Los Angeles, California;1. Division of Advanced Oncologic and Gastrointestinal Surgery, Department of Surgery, Duke University Medical Center, Durham, North Carolina;2. Division of Vascular and Endovascular Surgery, Department of Surgery, Duke University Medical Center, Durham, North Carolina |