ACKNOWLEDGEMENTS
We wish to thank Kristina Persson (Associate Professor and physiotherapist) for valuable feedback during preparation of the manuscript, as well as to acknowledge the collaboration provided by the Habilitation Services in Uppsala County, Sweden.
Uppsala University and Uppsala County Council Grants for Healthcare Research and Uppsala University through the Hedström Foundation and the Larsson Foundation funded this study. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.