[1] Natl Jewish Hlth, Howard Hughes Med Inst, Denver, CO USA
[2] Natl Jewish Hlth, Integrated Dept Immunol, Denver, CO USA
[3] Univ Colorado Denver, Sch Med, Program Biomol Struct, Aurora, CO 80045 USA
[4] Univ Colorado Denver, Sch Med, Dept Med, Aurora, CO 80045 USA
[5] Univ Colorado Denver, Sch Med, Dept Biochem & Mol Genet, Aurora, CO 80045 USA