About the Authors

Merel-Anne Brehm

m.a.brehm@amc.uva.nl

Affiliations Department of Rehabilitation Medicine and MOVE Research Institute, VU University Medical Center, Amsterdam, The Netherlands, Department of Rehabilitation, Academic Medical Center, University of Amsterdam, The Netherlands

Jiska C. E. Kempen

Affiliation Department of Rehabilitation Medicine and MOVE Research Institute, VU University Medical Center, Amsterdam, The Netherlands

Anneke J. van der Kooi

Affiliation Department of Neurology, Academic Medical Center, University of Amsterdam, The Netherlands

Imelda J. M. de Groot

Affiliation Department of Rehabilitation, Radboud University Medical Center Nijmegen, The Netherlands

Janneke C. van den Bergen

Affiliation Department of Neurology, Leiden University Medical Center, Leiden, The Netherlands

Jan J. G. M. Verschuuren

Affiliation Department of Neurology, Leiden University Medical Center, Leiden, The Netherlands

Erik H. Niks

Affiliation Department of Neurology, Leiden University Medical Center, Leiden, The Netherlands

Jaap Harlaar

Affiliation Department of Rehabilitation Medicine and MOVE Research Institute, VU University Medical Center, Amsterdam, The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MAB JK AK IG JB EN JV JH. Performed the experiments: JK. Analyzed the data: MAB JK. Contributed reagents/materials/analysis tools: MAB EN JH. Wrote the paper: MAB. Contributed to revising the article for important intellectual content and approving the final version of the work: JK AK IG JB EN JV JH.