[1] Rush Univ, Rush Presbyterian St Lukes Med Ctr, Dept Orthoped Surg, Sect Biochem & Mol Biol, Chicago, IL 60612 USA
[2] Rush Univ, Rush Presbyterian St Lukes Med Ctr, Dept Biochem, Sect Biochem & Mol Biol, Chicago, IL 60612 USA
[3] Immunex Corp, Seattle, WA 98101 USA