title: Linking pediatric allergy and immunology to countries.
authors: Ulrich
authors: U
authors: Wahn
authors: Paolo
authors: P
authors: Matricardi
authors: Doris
authors: D
authors: Kollmann
mesh_terms: D000486:Allergy and Immunology; D002648:Child; D035081:Editorial Policies; D006801:Humans; D007558:Italy / Q000453:epidemiology; D010372:Pediatrics; D010506:Periodicals as Topic; D014421:Turkey / Q000453:epidemiology