About the Authors

Klaske Van Kammen

Affiliation Center for Human Movement Sciences, University of Groningen, Groningen, The Netherlands

Annemarijke Boonstra

Affiliation Rehabilitation Center ‘Revalidatie Friesland’, Beetsterzwaag, The Netherlands

Heleen Reinders-Messelink

Affiliation Rehabilitation Center ‘Revalidatie Friesland’, Beetsterzwaag, The Netherlands

Rob den Otter

a.r.den.otter@umcg.nl

Affiliation Center for Human Movement Sciences, University of Groningen, Groningen, The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KVK AMB HRM RDO. Performed the experiments: KVK. Analyzed the data: KVK RDO. Wrote the paper: KVK RDO.