[1] Tech Univ Munich, Dept Dermatol & Allergy, D-80290 Munich, Germany
[2] Univ London Imperial Coll Sci Technol & Med, Dept Allergy & Clin Immunol, Mol Immunol, Natl Heart & Lung Inst, London, England
[3] Lofarma SpA, Dept Res & Dev, Milan, Italy
[4] Luxembourg Inst Hlth, Dept Infect & Immun, Esch Sur Alzette, Luxembourg
[5] Univ Southern Denmark, Odense Res Ctr Anaphylaxis, Dept Dermatol & Allergy Ctr, Odense, Denmark
[6] ZAUM Ctr Allergy & Environm, Munich, Germany
[7] Univ Catania, Dept Clin & Expt Med, Resp Med & Allergol, Catania, Italy