[1] Univ Marburg UMR, German Ctr Lung Res DZL, Dept Med Pulm & Crit Care Med, Marburg, Germany
[2] Ludwig Maximilians Univ Munchen, Comprehens Pneumol Ctr Munich CPC M, German Ctr Lung Res DZL, Dept Internal Med 5,Univ Hosp, Munich, Germany
[3] Heidelberg Univ, Translat Lung Res Ctr Heidelberg TLRC H, German Ctr Lung Res DZL, Dept Pneumol & Crit Care Med,Thoraxklin, Heidelberg, Germany
[4] Saarland Univ Hosp, Dept Internal Med Pulmonol 5, Intens Care Med, Allergol, Homburg, Germany
[5] German Ctr Lung Res DZL, Airway Res Ctr North ARCN, Pulm Res Inst, LungenClin Grosshansdorf, Grosshansdorf, Germany
[6] Univ Med Ctr Gottingen, LungClin Immenhausen, Gottingen, Germany
[7] Univ Med Ctr Gottingen, Dept Cardiol & Pneumol, Gottingen, Germany
[8] German Ctr Lung Res DZL, Immenhausen, Germany
[9] German Ctr Lung Res DZL, Hannover Med Sch, Clin Pneumol, Hannover, Germany
[10] Univ Kiel, LungenClin Grosshansdorf, Kiel, Germany
[11] Univ Kiel, Dept Med, Kiel, Germany
[12] German Ctr Lung Res DZL, Grosshansdorf, Germany
[13] Maastricht Univ, Dept Resp Med, Med Ctr, Maastricht, Netherlands
[14] Ludwig Boltzmann Inst Lung Hlth, Maastricht, Germany
[15] Res Ctr Borstel, Clin Infect Dis, Borstel, Germany
[16] Univ Leipzig, Dept Internal Med 1, Pneumol, Leipzig, Germany
[17] Klinikum Nurnberg, Dept Resp Med Allergol & Sleep Med, Nurnberg, Germany
[18] Ludwig Maximilians Univ Munchen, Comprehens Pneumol Ctr Munich CPC M, German Ctr Lung Res DZL,Univ Hosp, Inst & Outpatient Clin Occupat Social & Environm, Munich, Germany