aDepartment of Allergy, University Hospital of Montpellier, Montpellier

bInstitut Desbrest d’Epidémiologie et de Santé Publique, IDESP UMR UA11 University of Montpellier INSERM

cWHO Collaborating Centre on Scientific Classification Support, Montpellier, France

dDepartment of Allergy and Immunology, Laval University Hospital Center, Laval University, Quebec City, Canada

Correspondence to Luciana K. Tanno, MD, PhD, Division of Allergy, Department of Pulmonology, Hôpital Arnaud de Villeneuve, University Hospital of Montpellier, 371, av. du Doyen Gaston Giraud - 34295, Montpellier cedex 5, France. Tel: +33 467336107; fax: +33 467633645; e-mail: [email protected]