[1] Tech Univ Munich, Klin & Poliklin Dermatol & Allergol Biederstein, Munich, Germany
[2] Kathol Klinikum Mainz, Sankt Hildegardis Krankenhaus, Klin Anasthesiol & Intensivmed, Mainz, Germany
[3] Univ Klinikum Hamburg Eppendorf, Hamburg, Germany
[4] Georg August Univ, Hautklin & Poliklin, Gottingen, Germany
[5] Univ Klinikum Kinder & Jugendheilkunde, Paracelsus Med Privatuniv, Salzburger Landeskliniken, Salzburg, Austria
[6] Hannover Med Sch, Klin & Poliklin Dermatol & Venerol, Hannover, Germany
[7] Zentrum Rhinol & Allergol, Wiesbaden, Germany
[8] Spital Bern Ziegler, Med Klin, Bern, Switzerland
[9] Charite, Klin Padiatrie Schwerpunkt Pneumol & Immunol, Berlin, Germany
[10] Ludwig Maximilians Univ Munchen, Klin & Poliklin Dermatol & Allergol, Munich, Germany
[11] Facharzpraxis Kinder & Jugendmed, Hamburg, Germany
[12] Kinderklinik Univ Koln, Cologne, Germany
[13] Deutscher Allergie & Asthmabund, Monchengladbach, Germany
[14] Klinikum Kassel, Klin Anasthesiol Intensivmed & Schmerztherapie, Kassel, Germany
[15] Charite Univ Med Berlin, Allergie Centrum Charite, Klin Dermatol Venerol & Allergol, Berlin, Germany
[16] Univ Marburg, Inst Theoret Chirurg, Marburg, Germany
[17] Berufsgenossenschaftliches Univ Klinikum Bergmann, Abt Pneumol Allergol Schlaf & Beatmungsmed, Bochum, Germany