[1] Univ Barcelona, Barcelona, Spain
[2] Inst Invest Biomed August Pi & Sunyer IDIBAPS, Barcelona, Spain
[3] LungenClin Grosshansdorf, Kiel, Germany
[4] Christian Albrechts Univ Kiel, Kiel, Germany
[5] German Ctr Lung Res DZL, Airway Res Ctr North, Kiel, Germany
[6] Univ Manchester, Manchester Acad Hlth Sci Ctr, Sch Biol Sci, Div Infect Immun & Resp Med, Manchester, Lancs, England
[7] Philipps Univ Marburg, Univ Med Ctr Giessen & Marburg, Dept Med Pulm & Crit Care Med, Marburg, Germany
[8] German Ctr Lung Res DZL, Marburg, Germany
[9] Hosp Clin Barcelona, Resp Inst, Barcelona, Spain
[10] Ctr Invest Biomed Red CIBER Enfermedades Resp, Barcelona, Spain