About the Authors

Karin Van der Hiele

hiele@fsw.leidenuniv.nl

Affiliations National Multiple Sclerosis Foundation, Maassluis, The Netherlands, Leiden University, Department of Psychology, Section Health, Medical and Neuropsychology, Leiden, The Netherlands

Huub A. M. Middelkoop

Affiliations Leiden University, Department of Psychology, Section Health, Medical and Neuropsychology, Leiden, The Netherlands, Leiden University Medical Centre, Department of Neurology, Leiden, The Netherlands

Rob Ruimschotel

Affiliation Medical Psychiatric Centre PsyToBe, Rotterdam, The Netherlands

Noëlle G. A. Kamminga

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

Leo H. Visser

Affiliations St. Elisabeth Hospital, Department of Neurology, Tilburg, The Netherlands, University of Humanistic Studies, Utrecht, The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KH HM RR NK LV. Performed the experiments: KH. Analyzed the data: KH. Wrote the paper: KH HM RR NK LV.

Conceived and designed the experiments: KH HM RR NK LV. Performed the experiments: KH. Analyzed the data: KH. Wrote the paper: KH HM RR NK LV.