[1] PENN STATE UNIV,GRAD PROGRAM PATHOBIOL & VET SCI,UNIVERSITY PK,PA 16802
[2] PENN STATE UNIV,GRAD PROGRAM GENET,UNIVERSITY PK,PA 16802
[3] PENN STATE UNIV,GRAD PROGRAM BIOCHEM & MOLEC BIOL,UNIVERSITY PK,PA 16802
[4] PENN STATE UNIV,CTR GENE REGULAT,UNIVERSITY PK,PA 16802
[5] UNIV TOKYO,INST MOLEC & CELLULAR BIOSCI,TOKYO,JAPAN