Media type: E-Article Title: Reply to Wjst Contributor: Filipiak‐Pittroff, Birgit; Koletzko, Sibylle; Berdel, Dietrich; von Berg, Andrea Published: Wiley, 2018 Published in: Pediatric Allergy and Immunology, 29 (2018) 4, Seite 458-459 Language: English DOI: 10.1111/pai.12899 ISSN: 0905-6157; 1399-3038 Keywords: Immunology ; Immunology and Allergy ; Pediatrics, Perinatology and Child Health Origination: Footnote: