[1] Univ Utrecht, NL-3584 CH Utrecht, Netherlands
[2] Univ London Imperial Coll Sci Technol & Med, Wright Fleming Inst, Dept Immunol, London W2 1PG, England
[3] Univ Med Ctr Utrecht, Dept Immunol, NL-3584 EA Utrecht, Netherlands
[4] Los Alamos Natl Lab, Los Alamos, NM 87545 USA
[5] Univ London, Div Cellular & Mol Med, Ctr Infect, London SW17 0RE, England
[6] Inst Biophys, Krasnoyarsk 660036, Russia
[7] Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia