[1] Leidos Biomed Res Inc, Frederick Natl Lab Canc Res, Lab Human Retrovirol & Immunoinformat, Appl & Dev Res Directorate, Frederick, MD 21702 USA
[2] Leidos Biomed Res Inc, Frederick Natl Lab Canc Res, Canc Res Technol Program, Lab Prote & Analyt Technol, Frederick, MD 21702 USA
[3] NIAID, Immunoregulat Lab, NIH, Bldg 10, Bethesda, MD 20892 USA
[4] Inova Hlth Syst, Inova Schar Canc Inst, Annandale, VA 22003 USA