[1] Ludwig Maximilians Univ Munchen, Dept Dermatol & Allergy, Munich, Germany
[2] Klin Thalkirchner Str, Munich, Germany
[3] Ctr Hosp Univ CHU Nantes, Dept Dermatol, Nantes, France
[4] Univ Bonn, Christine Kuhne Ctr Allergy Res & Educ, Dept Dermatol & Allergy, Bonn, Germany
[5] CHU Vaudois, Dept Dermatol, Pediat Dermatol Unit, Lausanne, Switzerland
[6] CHU Vaudois, Dept Pediat, Pediat Dermatol Unit, Lausanne, Switzerland
[7] Aarhus Univ Hosp, Dept Dermatol, Aarhus, Denmark
[8] European Federat Allergy & Airways Dis Patients A, Global Allergy & Asthma Patient Platform GAAPP, Constance, Germany
[9] Univ Giessen & Marburg GmbH, Dept Dermatol, Giessen, Germany
[10] Univ Giessen & Marburg GmbH, Dept Psychosomat & Psychotherapy, Giessen, Germany
[11] Univ Verona, Dermatol Sect, Dept Med, Verona, Italy
[12] Univ Med Berlin, Pediat Pneumol & Immunol, Berlin, Germany
[13] Univ Padua, Ctr Specializzaz Reg Studio & Cura Allergie & Int, Azienda Osped, Padua, Italy
[14] Med Univ, Dept Dermatol, Poznan, Poland
[15] Univ Zurich, Allergy Unit, Dept Dermatol, Zurich, Switzerland
[16] Christine Kuhne Ctr Allergy Res & Educ CK CARE, Davos, Switzerland
[17] Univ Bern, Univ Hosp Bern, Inselspital, Dept Dermatol, Bern, Switzerland
[18] Heim Pal Childrens Hosp, Dept Dermatol, Budapest, Hungary
[19] Wroclaw Med Univ, Dept Dermatol Venereol & Allergol, Wroclaw, Poland
[20] Hop St Andre, Dept Dermatol & Pediat Dermatol, Bordeaux, France
[21] Hosp Nino Jesus, Dept Dermatol, Madrid, Spain
[22] Hannover Med Sch, Dept Dermatol & Allergy, Hannover, Germany
[23] Tech Univ Munich, Dept Dermatol & Allergy Biederstein, Munich, Germany