[1] Mayo Clin, Div Oncol Res, Schulze Ctr Novel Therapeut, Rochester, MN USA
[2] Mayo Clin, Div Biochem & Mol Biol, Rochester, MN USA
[3] Mayo Clin, Div Biomed Stat & Informat, Rochester, MN USA
[4] Mayo Clin, Div Mol Pharmacol & Expt Therapeut, Rochester, MN USA
[5] Mayo Clin, Div Epidemiol, Rochester, MN USA