?:authorAffiliation
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[\'Department of Surgery, Veterans Affairs Boston Healthcare System, Boston, Massachusetts; Department of Surgery, Brigham and Women\'s Hospital, Harvard Medical School, Boston, Massachusetts.\', \'Department of Surgery, Veterans Affairs Boston Healthcare System, Boston, Massachusetts; Department of Surgery, Boston Medical Center, Boston University, Boston, Massachusetts.\', \'Department of Surgery, Veterans Affairs Boston Healthcare System, Boston, Massachusetts; Department of Surgery, Brigham and Women\'s Hospital, Harvard Medical School, Boston, Massachusetts. Electronic address: gentian.kristo@va.gov.\']
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