[1] CHU Lenval, Hop Pediat Nice, Pediat Pulmonol & Allergy Dept, F-06200 Nice, France
[2] Univ Nice Sophia Antipolis, F-06000 Nice, France
[3] Hop Necker Enfants Malad, AP HP, Pediat Pulmonol & Allergy Dept, F-75015 Paris, France
[4] Univ Paris 05, F-75005 Paris, France
[5] Hop Trousseau, AP HP, Pediat Pulmonol Dept, F-75012 Paris, France
[6] Univ Paris 06, INSERM, UMR S U938, F-75012 Paris, France
[7] Ctr Hosp Univ Toulouse, Pediat Pulmonol Dept, Toulouse, France
[8] Ctr Hosp Univ Marseille, Pediat Pulmonol Dept, Marseille, France
[9] Ctr Hosp Univ Bordeaux, Pediat Pulmonol Dept, Dept Pediat, CIC 0005, F-33000 Bordeaux, France
[10] Hop Robert Debre, AP HP, Pediat Pulmonol Dept, F-75019 Paris, France
[11] Univ Paris Diderot VII, F-75 Paris, France
[12] Hop Robert Debre, AP HP, Pediat Hematol Dept, F-75019 Paris, France