[1] Hosp Univ Vall dHebron, Pneumol Dept, Barcelona, Spain
[2] Ctr Hosp Univ Porto, Porto, Portugal
[3] Alpha 1 UK Support Grp, London, England
[4] Alpha 1 Global, London, England
[5] Patientenorg Alphal Deutschland eV, Hamburg, Germany
[6] Alpha 1 Global, Aachen, Germany
[7] European Lung Fdn, Sheffield, S Yorkshire, England
[8] Univ Hosp Lords Transfigurat, Pulmonol Allergol & Thorac Oncol Clin, Poznan, Poland
[9] Univ Hosp Birmingham NHS Fdn Trust, Resp Med, Birmingham, W Midlands, England
[10] Univ Birmingham, Inst Appl Hlth Res, Birmingham, W Midlands, England
[11] Beaumont Hosp, Royal Coll Surg Ireland, Irish Ctr Rare Lung Dis, Dublin, Ireland
[12] Univ Pavia, IRCCS San Matteo Hosp Fdn, Dept Internal Med & Therapeut, Pneumol Unit, Pavia, Italy
[13] Leiden Univ, Dept Pulmonol, Med Ctr, Leiden, Netherlands
[14] Natl Inst TB & Lung Dis, Dept Genet & Clin Immunol, Warsaw, Poland
[15] Univ Hosp Birmingham NHS Fdn Trust, Queen Elizabeth Hosp, Lung Invest Unit Med, Birmingham, W Midlands, England
[16] Philipps Univ, Univ Med Ctr Giessen & Marburg, Dept Med Pulm & Crit Care Med, Marburg, Germany
[17] German Ctr Lung Res DZL, Marburg, Germany
[18] CIBER Enfermedades Resp CIBERES, Vall dHebron Res Inst VHIR, Hosp Univ Vall dHebron, Pneumol Dept 12, Barcelona, Spain