[1] Charite, Klin Dermatol Venerol & Allergol, Berlin, Germany
[2] Univ Lubeck, Klin Dermatol Allergol & Venerol, Lubeck, Germany
[3] Forschungszentrum Borstel, Forschungsgrp Klin & Mol Allergol, Borstel, Germany
[4] Allergie & Asthma Zentrum Westend, Berlin, Germany
[5] Allergolog Schwerpunktpraxis, Ernahrungstherapie, Hamburg, Germany
[6] Ernahrungsberatung & Therapie Schwerpunkt Allergo, Munich, Germany
[7] Johannes Gutenberg Univ Mainz, Univ Med, Hautklin, Mainz, Germany
[8] Univ Leipzig, Klin Dermatol Venerol & Allergol, Leipzig, Germany
[9] Dermatolog Ambulatorium Hamburg Alstertal, Hamburg, Germany
[10] Georg August Univ, Hautklin, Gottingen, Germany
[11] Univ Kiln Erlangen, Med Klin Gastroenterol Pneumol Endokrinol, Erlangen, Germany
[12] Univ Zurich, Dermatolog Klin, Zurich, Switzerland
[13] Charite, Klin Padiatrie, Berlin, Germany
[14] Hannover Med Sch, Klin Dermatol Allergol & Venerol, Hannover, Germany