1 Swiss Institute of Allergy and Asthma Research (SIAF), University Zurich, Davos, Switzerland.
2 MACVIA-France, Fondation Partenariale FMC VIA-LR, CHU Arnaud de Villeneuve, 371 Avenue du Doyen Gaston Giraud, 34295 Montpellier Cedex 5, France.
3 INSERM U 1168, VIMA: Ageing and Chronic Diseases Epidemiological and Public Health Approaches, Villejuif Université Versailles StQuentin-en-Yvelines, UMR-S 1168, Montigny Le Bretonneux, France.