[1] Dekkerswald Radboud Univ, Radboud Inst Hlth Sci, Dept Pulm Dis, Med Ctr, Nijmegen, Netherlands
[2] Hasselt Univ, BIOMED Biomed Res Inst, Fac Rehabil Sci, REVAL Rehabil Res Ctr, Diepenbeek, Belgium
[3] CIRO, Horn, Dept Res & Dev, Horn, Netherlands
[4] Merem Med Rehabil, Dept Pulmonol Rehabil, Hilversum, Netherlands