[1] Univ Hosp, Pulm Dpt, F-63003 Clermont Ferrand, France
[2] Univ Hosp, Pulm Dpt, F-13915 Marseille, France
[3] Univ Hosp, Pulm Dpt, F-31059 Toulouse, France
[4] Univ Hosp, Pulm Dpt, F-42055 St Etienne, France
[5] Gen Hosp, Pulm Dpt, F-11890 Carcassonne, France
[6] Univ Hosp, Pulm Dpt, F-59037 Lille, France
[7] Paris Descartes Univ, Pulm Dpt, F-75014 Paris, France
[8] Clindafirst, Stat Dpt, F-78059 St Quentin En Yvelines, France
[9] Paris Descartes Univ, Pulm Dpt, F-75004 Paris, France