Physical activity is increased by a 12-week semiautomated telecoaching programme in patients with COPD: A multicentre randomised controlled trial

H. Demeyer, Z. Louvaris, A. Frei, R. A. Rabinovich, C. De Jong, E. Gimeno-Santos, M. Loeckx, S. C. Buttery, N. Rubio, T. Van Der Molen, N. S. Hopkinson, I. Vogiatzis, M. A. Puhan, J. Garcia-Aymerich, M. I. Polkey, T. Troosters