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
Thorax May 2017, 72 (5) 415-423; DOI: 10.1136/thoraxjnl-2016-209026