[1] Univ Maryland, Marlene & Stewart Greenebaum Canc Ctr, CVID, Baltimore, MD 21201 USA
[2] Univ Maryland, Dept Surg, CVID, Baltimore, MD 21201 USA
[3] Univ Maryland, Marlene & Stewart Greenebaum Canc Ctr, CVID, Dept Microbiol & Immunol, Baltimore, MD 21201 USA
[4] Univ Maryland, Dept Pathol, Baltimore, MD 21201 USA