"Hellings, Peter" . . . "PMC7270816" . "Steelant, Brecht" . "32507228" . . . "no-cc" . "9febf5b47065f7e1ae01ac052b7fc0ab340e6ccd" . . "J Allergy Clin Immunol" . . "Epithelial barriers in allergy and asthma" . "2020-06-04"^^ . "32507228" . . . "Elsevier; Medline; PMC" . "10.1016/j.jaci.2020.04.010" .