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Article History

Received: 2 May 2023

Accepted: 31 May 2023

First Online: 28 June 2023

Conflict of interest

: S. Vieths reports personal fees from Schattauer <i>Allergologie Handbuch</i>, personal fees from Elsevier <i>Nahrungsmittelallergien and Intoleranzen</i>, personal fees from Karger <i>Food Allergy: Molecular Basis and Clinical Practice</i>, personal fees from the <i>Journal of Allergy and Clinical Immunology</i> as Associate Editor, and non-financial support from the European Academy of Allergy and Clinical Immunology, outside the submitted work. M. Toda, M. Hellwig, H. Hattori and T. Henle declare that they have no competing interests.