[1] Yeshiva Univ Albert Einstein Coll Med, Dept Microbiol & Immunol, Bronx, NY 10461 USA
[2] Yeshiva Univ Albert Einstein Coll Med, Dept Med, Bronx, NY 10461 USA
[3] Univ Connecticut, Dept Chem, Storrs, CT 06269 USA
[4] Yale Univ, Sch Med, Dept Immunobiol, New Haven, CT 06520 USA
[5] Yale Univ, Sch Med, Howard Hughes Med Inst, New Haven, CT 06520 USA
[6] Natl Univ Singapore, Dept Chem, Singapore 117543, Singapore
[7] Natl Univ Singapore, Inst Life Sci, NUS MedChem Program, Singapore 117543, Singapore
[8] Univ Birmingham, Sch Biosci, Birmingham B15 2TT, W Midlands, England