title: Reply.
authors.affiliation: Department of Pulmonology, Division of Allergy, Hôpital Arnaud de Villeneuve, University Hospital of Montpellier, Paris, France. Electronic address: pascal.demoly@inserm.fr.
authors.forename: Pascal
authors.initials: P
authors.lastname: Demoly
authors.affiliation: Allergy & Asthma Center Westend, Outpatient Clinic & Research Center, Berlin, Germany.
authors.forename: Jörg
authors.initials: J
authors.lastname: Kleine-Tebbe