[1] Charite, Allergie Centrum Charite, Dept Dermatol & Allergy, ECARF, D-10117 Berlin, Germany
[2] Univ Genoa, Dept Internal Med, I-16126 Genoa, Italy
[3] Odense Univ Hosp, Allergy Ctr, DK-5000 Odense, Denmark
[4] Odense Univ Hosp, Dept Dermatol, DK-5000 Odense, Denmark
[5] Univ Montpellier, Univ Hosp, Dept Resp Med, F-34059 Montpellier, France
[6] Med Univ Silesia, Dept Internal Dis Allergol & Clin Immunol, Katowice, Poland
[7] Melloni Univ Hosp, Dept Maternal & Child Hlth, Milan, Italy
[8] Univ Amsterdam, Acad Med Ctr, Dept Otorhinolaryngol, NL-1105 AZ Amsterdam, Netherlands
[9] Erasmus MC, Dept Internal Med, Sect Allergol, Rotterdam, Netherlands
[10] Univ Autonoma Barcelona, Hosp Mar, Dept Dermatol, Barcelona, Spain
[11] Shree Skin Ctr, Navi Mumbai, Maharashtra, India
[12] Norfolk & Norwich Univ Hosp, Dept Dermatol, Norwich, Norfolk, England
[13] St Thomas Hosp, Inst Dermatol, London SE1 7EH, England
[14] Hop St Marguerite, Serv Dermatol, Marseille, France
[15] Italian Natl Res Council, Inst Biomed & Mol Immunol, Palermo, Italy
[16] ARPA Sicilia, Environm & Hlth Unit, Palermo, Italy
[17] Univ Gen Hosp Attikon, Med Sch Athens, Allergy Unit, Athens, Greece
[18] Goztepe Training & Res Hosp, Dept Dermatol, Istanbul, Turkey
[19] S Orsola FBF Hosp, Pneumoallergol Unit, Brescia, Italy
[20] Univ Coimbra, Fac Med, Inst Gen Pathol, P-3000 Coimbra, Portugal
[21] Univ Parma, Dept Clin Sci, I-43100 Parma, Italy
[22] Johns Hopkins Univ, Dept Med, Div Allergy & Clin Immunol, Baltimore, MD USA
[23] Ctr Med Docente La Trinidad, Allergy & Immunol Dept, Caracas, Venezuela
[24] Verona Major Hosp, Allergy Serv, Verona, Italy
[25] Coimbra Univ Hosp, Immuno Allergol Dept, Coimbra, Portugal
[26] Technion Israel Inst Technol, Fac Med, Bnai Zion Med Ctr, Div Allergy & Clin Immunol, Haifa, Israel
[27] Inserm 1018, CESP, Villejuif, France
[28] INSERM, U780, Montpellier, France
[29] Pathol Lab, Navi Mumbai, Maharashtra, India