[1] Univ Leuven, Dept Oncol, Lab Expt Radiotherapy, Louvain, Belgium
[2] Univ Leuven, Dept Rehabil Sci & Physiotherapy, Louvain, Belgium
[3] Univ Antwerp, Dept Rehabil Sci & Physiotherapy, MOVANT Res Grp, Antwerp, Belgium
[4] Univ Hosp Leuven, Resp Rehabil & Resp Div, Louvain, Belgium
[5] Berekuyl Acad, Hierden, Netherlands
[6] Univ Hosp Leuven, Leuven Canc Inst, Dept Radiat Oncol, Louvain, Belgium