Bart N Lambrecht1, Stephen J Galli2. 1. VIB Inflammation Research Center, Ghent University, 9052 Belgium; Department of Respiratory Medicine, University Hospital Ghent, 9000 Belgium; Department of Pulmonary Medicine, Erasmus MC, 3015 Rotterdam, the Netherlands. 2. Departments of Pathology and of Microbiology and Immunology, and the Sean N. Parker Center for Allergy Research, Stanford University School of Medicine, Stanford, CA 94305, USA.