[1] ALBERT EINSTEIN COLL MED,DEPT MICROBIOL & IMMUNOL,BRONX,NY 10461
[2] ROCHE INST MOLEC BIOL,DEPT CELL BIOL,NUTLEY,NJ 07110
[3] UNIV UTAH,DEPT CELL BIOL,SALT LAKE CITY,UT 84132
[4] ALBERT EINSTEIN COLL MED,DEPT DEV BIOL & CANC,BRONX,NY 10461
[5] ALBERT EINSTEIN COLL MED,DEPT CELL BIOL & PATHOL,BRONX,NY 10461