[1] Maastricht Univ, Fac Hlth Med & Life Sci, Dept Rehabil Med, CAPHRI, POB 616, NL-6200 MD Maastricht, Netherlands
[2] Adelante Ctr Expertise Rehabil & Audiol, Hoensbroek, Netherlands
[3] Zuyd Univ Appl Sci, Fac Hlth & Technol, Heerlen, Netherlands
[4] Pain Mot Int Res Grp PiM, Brussels, Belgium
[5] Maastricht Univ, CAPHRI, Dept Epidemiol, Fac Hlth Med & Life Sci, Maastricht, Netherlands
[6] Kleijnen Systemat Reviews Ltd, York, N Yorkshire, England
[7] CIR, Eindhoven, Netherlands