[1] Mayo Clin, Dept Hlth Sci Res, Rochester, MN USA
[2] Mayo Clin, Rochester, MN USA
[3] Mayo Clin, Div Hematol & Oncol, Scottsdale, AZ USA
[4] Mayo Clin, Div Epidemiol, Rochester, MN USA
[5] Mayo Clin, Dept Hlth Sci Res, Div Biomed Stat & Informat, Rochester, MN USA
[6] Mayo Clin, Div Hematol, Rochester, MN USA
[7] Mayo Clin, Div Hematol & Med Oncol, Phoenix, AZ USA
[8] Stanford Univ, Stanford, CA 94305 USA
[9] NCI, NIH, DHHS, Bethesda, MD 20892 USA