Objectively Measured Physical Activity as a COPD Clinical Trial Outcome

Chris Burtin, Divya Mohan, Thierry Troosters, Henrik Watz, Nicholas S Hopkinson, Judith García‐Aymerich, Marilyn L. Moy, Ioannis Vogiatzis, Harry B. Rossiter, Sally Singh, Debora Merrill, Alan Hamilton, Stephen I. Rennard, Malin Fagerås, Stefano Petruzzelli, Ruth Tal‐Singer, Erin Tomaszewski, Solange Corriol‐Rohou, Carolyn L. Rochester, Frank C. Sciurba, Richard Casaburi, William D‐C Man, Rob C. van Lummel, Christopher B. Cooper, Heleen Demeyer, Martijn A. Spruit, Anouk W. Vaes