[1] Helmholtz Zentrum Munchen, Inst Asthma & Allergy Prevent, Munich, Germany
[2] German Ctr Lung Res DZL, Neuherberg, Germany
[3] Ludwig Maximilians Univ Munchen, Dept Pediat, Dept Allergol, Dr von Hauner Childrens Hosp Munich,Univ Hosp, Munich, Germany
[4] German Lung Ctr, CPC M, DZL, Munich, Germany
[5] Univ Lubeck, Inst Med Biometry & Stat, Univ Med Ctr Schleswig Holstein, Lubeck, Germany
[6] German Ctr Lung Res DZL, Lubeck, Germany
[7] Hannover Med Sch, Dept Pediat Pneumol Allergol & Neonatol, Hannover, Germany
[8] German Ctr Lung Res DZL, Hannover, Germany
[9] Univ Klinikum Schleswig Holstein, Dept Pediat Allergy & Pulmonol, Clin Pediat UKSH, Campus Lubeck, Lubeck, Germany
[10] LungenClin Grosshansdorf, Grosshansdorf, Germany
[11] German Ctr Lung Res DZL, Grosshansdorf, Germany