Affiliations

• ¹ Division of Colon and Rectal Surgery, University of Pennsylvania, Philadelphia, PA. Electronic address: Najjia.mahmoud@uphs.upenn.edu.
• ² St. Michael's Hospital, University of Toronto, Toronto, Ontario, Canada.
• ³ Division of General Surgery, University of Virginia, Charlottesville, VA.
• ⁴ Department of Surgery, University of Virginia, Charlottesville, VA.
• ⁵ Division of Gastroenterology, University of Pennsylvania, Philadelphia, PA.
• ⁶ Division of Gastroenterology, Vanderbilt University Medical Center, Nashville, TN.
• ⁷ Colorectal Care, Advocate Illinois Masonic Medical Center, Chicago, IL.
• ⁸ Department of Surgery, Cedars-Sinai Medical Center, Los Angeles, CA.
• ⁹ General Surgery, Rutgers Robert Wood Johnson University Hospital, New Brunswick, NJ; Division of Plastic Surgery, Perelman Center for Advanced Medicine, University of Pennsylvania, Philadelphia, PA.
• ¹⁰ Department of Surgery, Philadelphia, PA.