[1] Clarient Labs, Dept Hematopathol, Aliso Viejo, CA USA
[2] Stanford Univ, Sch Med, Dept Med Hematol, Stanford, CA 94305 USA
[3] Stanford Univ, Sch Med, Dept Neurosurg, Stanford, CA 94305 USA
[4] Stanford Univ, Dept Pathol, Sch Med, Stanford, CA 94305 USA