[1] Oregon Hlth & Sci Univ, Dept Internal Med, Portland, OR USA
[2] Univ Utah, Div Hematol & Hematol Malignancies, Dept Internal Med, Salt Lake City, UT USA
[3] Univ Utah, Dept Pathol, Salt Lake City, UT USA
[4] VA Salt Lake City Hlth Care Syst, Med Sect, Salt Lake City, UT USA
[5] Univ Utah, Dept Internal Med, 30 North Mario Capecchi Dr,3rd Floor South, Salt Lake City, UT 84112 USA