[1] MedImmune, Gaithersburg, MD USA
[2] Lund Univ, Dept Resp Med, S-22100 Lund, Sweden
[3] Univ Wisconsin, Sch Publ Hlth & Med, Madison, WI 53706 USA
[4] Natl Jewish Med & Res Ctr, Div Immunol & Allergy, Denver, CO USA
[5] BioWa Inc, Princeton, NJ USA