[1] Univ Barcelona, Hosp Clin, IDIBAPS, Barcelona, Spain
[2] CIBERES, Barcelona, Spain
[3] Harvard Med Sch, Brigham & Womens Hosp, Boston, MA USA
[4] Temple Univ, Lewis Katz Sch Med, Philadelphia, PA USA
[5] Univ Exeter, Coll Med & Hlth, Med Sch, Exeter, England
[6] Univ Texas, South Texas Vet Hlth Care Syst, San Antonio, TX USA
[7] Imperial Coll London, Natl Heart & Lung Inst, London, England
[8] McGill Univ, McGill Univ Hlth Ctr, Montreal, PQ, Canada
[9] Univ Michigan, Ann Arbor, MI USA
[10] New York Presbyterian Hosp, Weill Cornell Med Ctr, New York, NY USA
[11] Univ Cent Venezuela, Hosp Univ Caracas, Ctr Med Caracas, Caracas, Venezuela
[12] Liverpool Univ Hosp NHS Fdn Trust, Liverpool, England
[13] Univ KwaZulu Natal, Coll Hlth Sci, Sch Clin Med, Durban, South Africa
[14] Univ Ferrara, Ferrara, Italy
[15] Univ Oxford, Resp Med Unit, Oxford, England
[16] Univ Oxford, Oxford Resp NIHR Biomed Res Ctr, Nuffield Dept Med, Oxford, England
[17] Univ Paris, Hop Cochin, AP HP Ctr, Pneumol, Paris, France
[18] Pulmocare Res & Educ PURE Fdn, Pune, India
[19] Univ British Columbia, St Pauls Hosp, Vancouver, BC, Canada
[20] Univ Manchester, Manchester, England
[21] Univ Hosp, Birmingham, England
[22] Univ Republica, Hosp Maciel Montevideo, Montevideo, Uruguay
[23] Philipps Univ, Univ Med Ctr Giessen & Marburg, German Ctr Lung Res DZL, Dept Med Pulm & Crit Care Med, Marburg, Germany