An official European respiratory society statement on physical activity in COPD

H. Watz, F. Pitta, C.L. Rochester, J. Garcia-Aymerich, R. ZuWallack, T. Troosters, A.W. Vaes, M.A. Puhan, M. Jehn, M.I. Polkey, I. Vogiatzis, E.M. Clini, M. Toth, E. Gimeno-Santos, B. Waschki, C. Esteban, M. Hayot, R. Casaburi, J. Porszasz, E. McAuleySally J. Singh, D. Langer, E.F.M. Wouters, H. Magnussen, M.A. Spruit