[1] Mayo Clin, Div Hematol, Rochester, MN USA
[2] City Hope Natl Med Ctr, Beckman Res Inst, Dept Populat Sci, Div Canc Etiol, Duarte, CA 91010 USA
[3] Mayo Clin, Dept Hlth Sci Res, 200 First St SW, Rochester, MN 55905 USA
[4] Univ Iowa, Div Hematol Oncol & Bone & Marrow Transplantat, Iowa City, IA USA
[5] Mayo Clin, Dept Lab Med & Pathol, Rochester, MN USA
[6] USC, Keck Sch Med, Dept Prevent Med & Pathol, Los Angeles, CA USA
[7] NCI, Occupat & Environm Epidemiol Branch, Div Canc Epidemiol & Genet, Rockville, MD USA
[8] Mayo Clin, Dept Hlth Sci Res, Jacksonville, FL 32224 USA