1 Division of Vascular Surgery, Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, Calif. Electronic address: kwoo@mednet.ucla.edu.
2 Society for Vascular Surgery Quality and Performance Measures Committee, Chicago, Ill.
3 Division of Vascular and Endovascular Surgery, Department of Cardiothoracic and Vascular Surgery, Montefiore Medical Center and the Albert Einstein College of Medicine, Bronx, NY.
4 Division of Vascular and Endovascular Surgery, Department of Surgery, University of Texas Health San Antonio, and the South Texas Veterans Health Care System, San Antonio, Tex.