[1] Emory University,Division of Surgical Oncology, Winship Cancer Institute
[2] University of Michigan,Division of Colorectal Surgery, Department of Surgery
[3] University of Pittsburgh Medical Center,Division of Colon and Rectal Surgery, Department of Surgery
[4] The Ohio State University,Division of Surgical Oncology, Department of Surgery
[5] Vanderbilt University Medical Center,Section of Colon and Rectal Surgery, Division of General Surgery
[6] Washington University School of Medicine,Section of Colon and Rectal Surgery, Department of Surgery
[7] Emory University,Division of Colon and Rectal Surgery, Department of Surgery