[1] Novartis Pharma AG, Basel, Switzerland
[2] Univ Paris Sud, Paris, France
[3] Hop Kremlin Bicetre, Serv Pneumol, Paris, France
[4] INSERM, UMR S999, Paris, France
[5] Univ Newcastle, Prior Res Ctr Asthma & Resp Dis, Newcastle, NSW, Australia
[6] Univ Ioannina, Sch Med, Dept Resp Med, Ioannina, Greece
[7] INSERM, U1168, VIMA Ageing & Chron Dis Epidemiol & Publ Hlth App, Villejuif, France
[8] Univ Versailles St Quentin En Yvelines, UMR S 1168, Montigny Le Bretonneux, France