Affiliation: | 1. Division of Vascular Surgery and Endovascular Therapy, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Michael E. DeBakey Veterans Affairs Medical Center, Houston, Tex;2. Division of Vascular and Endovascular Surgery, Department of Surgery, Brigham and Women''s Hospital, Boston, Mass;3. Section of Vascular Surgery, Department of Surgery, Dartmouth-Hitchcock Medical Center, Lebanon, NH |