Affiliation: | 1. Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, Illinois
Department of Surgery, Surgical Outcomes and Quality Improvement Center, Feinberg School of Medicine, Northwestern University, Chicago, Illinois;2. Department of Surgery, Surgical Outcomes and Quality Improvement Center, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
Department of Surgery, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania;3. Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, Illinois;4. Department of Surgery, Surgical Outcomes and Quality Improvement Center, Feinberg School of Medicine, Northwestern University, Chicago, Illinois |