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1 From the Division of Vascular and Endovascular Surgery, University of Massachusetts Medical School, Worcester (A.S.); and the Division of Vascular and Endovascular Surgery, University of Texas Health Science Center, Houston (G.S.O.).
1 From the Division of Vascular and Endovascular Surgery, University of Massachusetts Medical School, Worcester (A.S.); and the Division of Vascular and Endovascular Surgery, University of Texas Health Science Center, Houston (G.S.O.).