The following correction has been done to the original article version published on 2 February 2022 (000004, vol. 2, 2022, https://doi.org/10.55329/cysb9519):
1. The text in the Acknowledgments section has been changed from
‘This study was funded by Skyltfonden (TRV 2016/86272), held in trust by the Swedish Transport Administration. The Swedish Transport Agency extracted the data from the Swedish Accident Data Acquistion (STRADA) database. The study has been reviewed and approved in 2016 by the Ethics Board in Gothenburg, Sweden (Dnr 048-15). Images of rollator models courtesy of Ingemar Larsson, Hjälpmedelscentralen, Västra Götalandsregionen, Sweden.’
to
‘This study was primarily funded by Skyltfonden (TRV 2016/86272), held in trust by the Swedish Transport Administration. Additional funding was provided by Sweden’s Innovation Agency Vinnova (2021-01598). The Swedish Transport Agency extracted the data from the Swedish Accident Data Acquistion (STRADA) database. The study has been reviewed and approved in 2016 by the Ethics Board in Gothenburg, Sweden (Dnr 048-15). Images of rollator models courtesy of Ingemar Larsson, Hjälpmedelscentralen, Västra Götalandsregionen, Sweden.’
The change has been approved by all authors.