Reply to: Room for methodological improvement in gait speed study for COPD patients
Jessica A. Walsh, Ruth E. Barker, Samantha S.C. Kon, Sarah E. Jones, Winston Banya, Claire M. Nolan, Suhani Patel, Oliver Polgar, Brigitte M. Haselden, Michael I. Polkey, Paul Cullinan, William D-C. Man
European Respiratory Journal Dec 2021, 58 (6) 2101796; DOI: 10.1183/13993003.01796-2021