1 Department of Surgery, Division of Vascular Surgery, Virginia Commonwealth University, Richmond, Va.
2 Department of Surgery, Division of Vascular Surgery, University of Massachusetts Medical School, Worcester, Mass.
3 Department of Surgery, Division of Vascular Surgery, University of South Florida, Tampa, Fla.
4 Society for Vascular Surgery Quality and Performance Measures Committee, Chicago, Ill.
5 Department of Surgery, Division of Vascular Surgery, David Geffen School of Medicine at UCLA, Los Angeles, Calif. Electronic address: kwoo@mednet.ucla.edu.