About the Authors

Marc B. Rietberg

m.rietberg@vumc.nl

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

Erwin E. H. van Wegen

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

Isaline C. J. M. Eyssen

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

Gert Kwakkel

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

the MS study group

Membership of the MS study group at VUmc is provided in the Acknowledgments.

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MR EvW IE GK MS study group. Performed the experiments: MR. Analyzed the data: MR EvW IE GK. Contributed reagents/materials/analysis tools: MR EvW IE GK. Wrote the paper: MR EvW IE GK. Reviewed the manuscript: MS study group.