[1] MILIPORE CORP,BEDFORD,MA 01730
[2] COLUMBIA UNIV COLL PHYS & SURG,DEPT BIOCHEM,NEW YORK,NY 10032
[3] COLUMBIA UNIV COLL PHYS & SURG,DEPT NEUROL,NEW YORK,NY 10032
[4] COLUMBIA UNIV COLL PHYS & SURG,DEPT HUMAN GENET,NEW YORK,NY 10032
[5] COLUMBIA UNIV COLL PHYS & SURG,DEPT PHYSIOL,NEW YORK,NY 10032