Authors: J Michael Wells; Raul San Jose Estepar; Merry-Lynn N McDonald; Surya P Bhatt; Alejandro A Diaz; William C Bailey; Francine L Jacobson; Mark T Dransfield; George R Washko; Barry J Make; Richard Casaburi; Edwin J R van Beek; Eric A Hoffman; Frank C Sciurba; James D Crapo; Edwin K Silverman; Craig P Hersh Journal: BMC Pulm Med Date: 2016-12-01 Impact factor: 3.317