[1] COLUMBIA UNIV COLL PHYS & SURG,DEPT MED,NEW YORK,NY 10032
[2] COLUMBIA UNIV COLL PHYS & SURG,DEPT PATHOL,NEW YORK,NY 10032
[3] COLUMBIA UNIV COLL PHYS & SURG,DEPT RADIOL,NEW YORK,NY 10032
[4] COLUMBIA UNIV COLL PHYS & SURG,DEPT RADIAT ONCOL,NEW YORK,NY 10032