Author information:
(1)Department of Respiratory Medicine, Unit for Interstitial Lung Diseases, 
University Hospitals Leuven, Leuven, Belgium.
(2)Department of Thoracic Medicine and Laboratory of Cellular and Molecular 
Pneumonology, Medical School, University of Crete, Crete, Greece.
(3)Inserm U1152, Université Paris Diderot, PRES Sorbonne Paris Cité, LabEx 
Inflamex, and Assistance Publique-Hôpitaux de Paris, DHU FIRE, Paris, France; 
Service de Pneumologie A, Centre de Compétence des Maladies Pulmonaires Rares, 
Hôpital Bichat, Paris, France.
(4)Department of Pneumology/Allergology, Ruhrlandklinik, University Hospital, 
University Duisburg-Essen, Essen, Germany.
(5)Hôpital Louis Pradel, Claude Bernard Lyon 1 University, Lyon, France.
(6)Centre for Interstitial Lung Diseases and University Medical Center Utrecht, 
Department of Pulmonology, St. Antonius Hospital Nieuwegein, Netherlands.
(7)NIHR Biological Research Unit, Royal Brompton Hospital, Sydney Street, 
London, UK.
(8)Department of Diseases of the Thorax, Ospedale GB Morgagni, Forlì, Italy.
(9)National Institute for Health Research, Southampton Respiratory Biomedical 
Research Unit, University Hospital Southampton NHS Foundation Trust, 
Southampton, UK.
(10)Regional Centre for Interstitial and Rare Lung Diseases, Department of 
Clinical and Molecular Biomedicine, University of Catania, Catania, Italy.
(11)Interstitial Lung Disease Unit, Royal Brompton Hospital, London, UK. 
Electronic address: athol.wells@rbht.nhs.uk.