[1] Univ Nottingham, Nottingham Natl Inst Hlth Res Biomed Res Ctr, Resp Res Unit, Nottingham City Hosp, Nottingham NG5 1PB, England
[2] Aix Marseille Univ, Dept Resp Dis CIC Nord INSERM, INRAE, C2VN, Marseille, France
[3] Azienda USL Reggio Emilia IRCCS, Pneumol Unit, Santa Maria Nuova Hosp, Reggio Emilia, Italy
[4] Humanitas Univ, Milan, Italy
[5] IRCCS, Res Hosp, Milan, Italy
[6] Univ Liege, Liege, Belgium
[7] Ctr Hosp Univ Liege, Liege, Belgium
[8] Hosp Son Espases IdISBa, Palma De Mallorca, Spain
[9] Ciberes, Palma De Mallorca, Spain
[10] Univ Michigan, Med Ctr, Ann Arbor, MI USA
[11] East Carolina Univ, Brody Sch Med, Greenville, NC 27858 USA
[12] AstraZeneca, Cambridge, England
[13] AstraZeneca, Gaithersburg, MD USA
[14] AstraZeneca, Barcelona, Spain