1. Division of Colon & Rectal Surgery, Naval Hospital Bethesda, Bethesda, Maryland, and Assistant Professor of Surgery, Uniformed Services University of the Health Sciences, Edward Hebert School of Medicine, Bethesda, Maryland
2. Division of Colon & Rectal Surgery, George Washington University School of Medicine, Washington, DC
3. Department of Surgery, Naval Hospital Bethesda, Bethesda, Maryland, and Teaching Assistant, Department of Surgery, Uniformed Services University of the Health Sciences, F. Edward Hebert School of Medicine, Bethesda, Maryland