Affiliation: | a Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL b Department of Surgery, University of Cincinnati College of Medicine, Cincinnati, OH c Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL d Department of Surgery, University of California, Los Angeles (UCLA) and VA Greater Los Angeles Healthcare System, Los Angeles, CA e Department of Surgery, Loyola University Chicago Stritch School of Medicine, Maywood, IL |