[1] Klinikum Univ Munchen, Klin & Poliklin Dermatol & Allergol, Frauenlobstr 9-11, D-80337 Munich, Germany
[2] Klinikum Ludwig Maximilians Univ Munchen, Klin & Poliklin Dermatol & Allergol, Munich, Germany
[3] Tech Univ Dresden, Klin & Poliklin Dermatol, Univ Klinikum Carl Gustav Carus, Dresden, Germany
[4] Univ HNO Klin, Tubingen, Germany
[5] Univ Klinikum Munster, Klin Hautkrankheiten Allergol Berufsdermatol & Um, Munster, Germany
[6] Tech Univ Munich, Klin & Poliklin Dermatol & Allergol Biederstein, Munich, Germany
[7] Tech Univ Munich, Univ HNO Klin, Munich, Germany
[8] Klinikum Oldenburg, Univ Klin Dermatol & Allergol, Oldenburg, Germany
[9] Univ Med Gottingen, Klin Dermatol Venerol & Allergol, Gottingen, Germany
[10] Univ Klinikum Augsburg, Klin Kinder & Jugendl, Augsburg, Germany
[11] St Marien Hosp, GFO Kliniken, Abt Padiatrie, Bonn, Germany
[12] Univ Bielefeld, Kinder Zentrum Bethel, Univ Klin Kinder & Jugendmed, Univ Klinikum OWL, Bielefeld, Germany
[13] Kepler Univ Klinikum GmbH, Med Campus 3, Linz, Austria
[14] Zentrum Rhinol & Allergol, Wiesbaden, Germany
[15] Rhein Westfal TH Aachen, Klin Dermatol & Allergol, Aachen, Germany
[16] Asthma Allergiezentrum, Leverkusen, Germany
[17] Cnopfsche Kinderklin, Nurnberg, Germany
[18] Philipps Univ Marburg, Klin Dermatol & Allergol, UKGM Standort Marburg, Marburg, Germany
[19] Krankenhaus Worth Donau, Worth An Der Donau, Germany
[20] Philipps Univ Marburg, Inst Theoret Chirurg, Marburg, Germany
[21] Univ Osnabruck, Inst interdisziplinare Dermatol Pravent & Rehabil, Osnabruck, Germany
[22] BG Klinikum Hamburg, Hamburg, Germany
[23] Univ Leipzig, Klin Dermatol Venerol & Allergol, Leipzig, Germany
[24] Hannover Med Sch, Comprehens Allergy Ctr, Klin Dermatol Allergol & Venerol, Hannover, Germany
[25] Floridsdorfer Allergiezentrum FAZ, Vienna, Austria
[26] Charite Univ Med Berlin, Klin Dermatol Venerol & Allergol, Campus Charite Mitte, Berlin, Germany
[27] Justus Liebig Univ Giessen, Klin Dermatol & Allergol, UKGM Standort Giessen, Giessen, Germany