[1] BETH ISRAEL HOSP,DEPT SURG,BOSTON,MA 02215
[2] BETH ISRAEL HOSP,DEPT RADIOL,BOSTON,MA 02215
[3] HARVARD UNIV,BRIGHAM & WOMENS HOSP,SCH MED,DEPT MED,BOSTON,MA 02115
[4] HARVARD UNIV,BRIGHAM & WOMENS HOSP,SCH MED,DEPT RADIOL,BOSTON,MA 02115
[5] HARVARD UNIV,BRIGHAM & WOMENS HOSP,SCH MED,DEPT SURG,BOSTON,MA 02115