[1] Duke Univ, Med Ctr, Dept Pathol, Hematopathol Div, Durham, NC 27710 USA
[2] Shandong First Med Univ, Shandong Prov Hosp, Dept Hematol, Jinan, Shandong, Peoples R China
[3] Peoples Hosp Zhaoyuan City, Dept Neurol, Zhaoyuan, Shandong, Peoples R China
[4] Duke Canc Inst, Durham, NC USA