[1] Mayo Clin, Rochester, MN USA
[2] Mayo Clin, Dept Lab Med & Pathol, Rochester, MN USA
[3] Mayo Clin, Dept Quantitat Hlth Sci, Rochester, MN USA
[4] Mayo Clin, Dept Hlth Sci Res, Rochester, MN USA
[5] Mayo Clin, Div Hematol, Rochester, MN USA
[6] Stanford Hlth Care, Stanford, CA USA
[7] Univ Iowa, Carver Coll Med, Iowa City, IA USA