[1] Univ Barcelona, Fac Med & Ciencies Salut, Unitat Biofis & Bioenginyeria, Barcelona, Spain
[2] Ctr Invest Biomed Red Enfermedades Resp, Madrid, Spain
[3] Leibniz Lung Ctr, Res Ctr Borstel, Airway Res Ctr North ARCN, Borstel, Germany
[4] German Ctr Lung Res DZL, Borstel, Germany
[5] Univ Cambridge, Dept Med, Cambridge, England
[6] Imperial Coll London, Natl Heart & Lung Inst, London, England
[7] Univ Dundee, Ninewells Hosp, Div Mol & Clin Med, Dundee, Scotland
[8] Univ Hosp Patras, Dept Resp Med, Rion, Greece
[9] Lund Univ, Dept Translat Med, Inst Med Radiat Phys, Malmo, Sweden
[10] Univ Lausanne, Serv Pneumol, CHUV, Fac Biol & Med, Epalinges, Switzerland
[11] Univ Groningen, Univ Med Ctr Groningen, Dept Pathol & Med Biol, GRIAC Res Inst, Groningen, Netherlands