[1] Weill Cornell Med, Dept Populat Hlth Sci, Div Biostat, New York, NY USA
[2] Univ Texas MD Anderson Canc Ctr, Dept Hematopathol, Div Pathol & Lab Med, Mol Diagnost Lab, Houston, TX USA
[3] Amer Soc Clin Oncol, Alexandria, VA USA
[4] Stanford Univ, Div Oncol, Dept Med, Sch Med, Palo Alto, CA 94304 USA