Publication Type	Academic Article
Authors	Martinez F, Han M, Allinson J, Barr R, Boucher R, Calverley P, Celli B, Christenson S, Crystal R, Fagerås M, Freeman C, Groenke L, Hoffman E, Kesimer M, Kostikas K, Paine R, Rafii S, Rennard S, Segal L, Shaykhiev R, Stevenson C, Tal-Singer R, Vestbo J, Woodruff P, Curtis J, Wedzicha J
Journal	Am J Respir Crit Care Med
Volume	197
Issue	12
Pagination	1540-1551
Date Published	06/15/2018
ISSN	1535-4970
Keywords	Age of Onset, Disease Progression, Early Diagnosis, Pulmonary Disease, Chronic Obstructive
DOI	10.1164/rccm.201710-2028PP
PubMed ID	29406779
PubMed Central ID	PMC6006401