Paulien H Goossens1, Véronique R M Moulaert2. 1. Rijnlands Rehabilitation Centre, Leiden, The Netherlands; Leiden University Medical Centre, Department of Orthopaedics, Physical Therapy and Rehabilitation, Leiden, The Netherlands. 2. Adelante, Centre of Expertise in Rehabilitation and Audiology, Hoensbroek, The Netherlands; CAPHRI School for Public Health and Primary Care, Department of Rehabilitation Medicine, Maastricht University, Maastricht, The Netherlands. Electronic address: v.moulaert@adelante-zorggroep.nl.