[1] Univ Texas Hlth San Antonio, Div Pulm & Crit Care Med, Dept Med, San Antonio, TX USA
[2] Univ Hosp Bellvitge, ILD Unit, IDIBELL, Barcelona, Spain
[3] Icahn Sch Med Mt Sinai, Div Pulm Crit Care & Sleep Med, New York, NY 10029 USA
[4] Univ Ulsan, Coll Med, Asan Med Ctr, Pulm & Crit Care Med, Seoul, South Korea
[5] Boehringer Ingelheim Int GmbH, Ingelheim, Germany
[6] Royal Brompton & Harefield NHS Fdn Trust, Natl Inst Hlth Res, Resp Biomed Res Unit, London, England
[7] Imperial Coll, Natl Heart & Lung Inst, London, England