Demeyer, HeleenCostilla-Frias, MarcosLouvaris, ZafeirisGimeno Santos, Elena, 1980-Tabberer, MaggieRabinovich, Roberto A.de Jong, CorinaPolkey, Michael I.Hopkinson, Nicholas S.Karlsson, NiklasSerra, IgnasiVogiatzis, IoannisTroosters, ThierryGarcĂa Aymerich, JudithPROactive consortium2019-07-192018Demeyer H, Costilla-Frias M, Louvaris Z, Gimeno-Santos E, Tabberer M, Rabinovich RA et al. Both moderate and severe exacerbations accelerate physical activity decline in COPD patients. Eur Respir J. 2018;51(1):1702110. DOI: 10.1183/13993003.02110-20170903-1936http://hdl.handle.net/10230/42065application/pdfengThis is an author-submitted, peer-reviewed version of a manuscript that has been accepted for publication in the European Respiratory Journal, prior to copy-editing, formatting and typesetting. This version of the manuscript may not be duplicated or reproduced without prior permission from the copyright owner, the European Respiratory Society. The publisher is not responsible or liable for any errors or omissions in this version of the manuscript or in any version derived from it by any other parties. The final, copy-edited, published article, which is the version of record, is available at http://dx.doi.org/10.1183/13993003.02110-2017.Both moderate and severe exacerbations accelerate physical activity decline in COPD patientsinfo:eu-repo/semantics/articlehttp://dx.doi.org/10.1183/13993003.02110-2017info:eu-repo/semantics/openAccess