[1] NIDDKD,MOLEC BIOL LAB,BETHESDA,MD 20892
[2] UNIV MARYLAND,SCH MED,DIV HUMAN GENET,BALTIMORE,MD 21201
[3] UNIV MINNESOTA,DEPT BIOCHEM,ST PAUL,MN 55108
[4] STANFORD UNIV,DEPT BIOL SCI,STANFORD,CA 94305
[5] BRISTOL MYERS SQUIBB,PHARMACEUT RES INST,PRINCETON,NJ 08543