[1] Univ Med Ctr Utrecht, Dept Dermatol Allergol, NL-3508 GA Utrecht, Netherlands
[2] Med Univ Vienna, Dept Pathophysiol & Allergy Res, Vienna, Austria
[3] IdISSC, Hosp Clin San Carlos, Dept Allergy, Madrid, Spain
[4] Clin San Carlo, Paderno Dugnano, Italy
[5] Univ Zurich Hosp, Dept Dermatol, Allergy Unit, Zurich, Switzerland
[6] Fac Hosp Bulovka, Dept Pediat, Prague, Czech Republic
[7] Univ Hosp Strasbourg, Chest Dis Dept, Div Allergy, Strasbourg, France
[8] Vilnius State Univ, Fac Med, Vilnius, Lithuania
[9] Landspitali Univ Hosp, Dept Allergy Resp Med & Sleep, Reykjavik, Iceland
[10] Univ Iceland, Fac Med, Reykjavik, Iceland
[11] Med Univ Lodz, Fac Med, Dept Immunol Rheumatol & Allergy, Lodz, Poland
[12] Med Univ Sofia, Clin Allergy & Asthma, Sofia, Bulgaria
[13] Phadia AB, Uppsala, Sweden
[14] Univ Manchester, Sch Translat Med, Manchester Acad Hlth Sci Ctr, Manchester M13 9PL, Lancs, England
[15] Univ Manchester, Manchester Inst Biotechnol, Manchester M13 9PL, Lancs, England
[16] Univ Athens, Dept Allergy, Pediat Clin 2, GR-10679 Athens, Greece
[17] Univ Amsterdam, Acad Med Ctr, Dept Expt Immunol, NL-1012 WX Amsterdam, Netherlands
[18] Univ Amsterdam, Acad Med Ctr, Dept Otorhinolaryngol, NL-1012 WX Amsterdam, Netherlands
[19] St Marys Hosp, Dept Clin Immunol, London, England
[20] Manchester Royal Infirm, Manchester M13 9WL, Lancs, England
[21] Fed Inst Vaccines & Biomed, Paul Ehrlich Inst, Div Allergol, Langen, Germany