1 Patient Safety Organization, Society for Vascular Surgery, Chicago, IL.
2 Division of Vascular Surgery, Department of Surgery, Duke University Medical Center, Durham, NC.
3 Department of Surgery, Tufts University School of Medicine, Portland, ME.
4 Division of Vascular Surgery, Department of Surgery, Indiana University School of Medicine, Indianapolis (Emeritus), IN. Electronic address: GLemmon@svspso.org.