Affiliation: | Department of Dermatology, Cliniques Universitaires Saint-Luc, UniversitéCatholique de Louvain, Brussels, Belgium;;Department of Immuno-Allergology, University Hospital Centre Lyon Sud, Hospices Civiles de Lyon, Lyon, France;;Department of Pneumology, Cliniques Universitaires Saint-Luc, UniversitéCatholique de Louvain, Brussels;;Department of Dermatology, University Hospital, Katholieke Universiteit Leuven, Leuven, Belgium |