[1] Vrije Univ Brussel, Fac Phys Educ & Physiotherapy, Dept Human Physiol & Physiotherapy, Pain Mot Res Grp, Brussels, Belgium
[2] Univ Hosp Brussels, Dept Phys Med & Rehabil, Brussels, Belgium
[3] Univ Antwerp, Fac Med & Hlth Sci, Pain Mot Res Grp, B-2020 Antwerp, Belgium
[4] Univ Ghent, Dept Rehabil Sci & Physiotherapy, B-9000 Ghent, Belgium