1. Department of Neurology, Elisabeth-TweeSteden Hospital, Tilburg, The Netherlands
2. Institute of Psychology, Health, Medical and Neuropsychology Unit, Leiden University, Leiden, The Netherlands
3. National Multiple Sclerosis Foundation, Rotterdam, The Netherlands
4. Department of Care Ethics, University of Humanistic Studies, Utrecht, The Netherlands
5. MS4 Research Institute, Nijmegen, The Netherlands
6. Department of Community & Occupational Medicine, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
7. Tilburg School of Social and Behavioural Sciences, Tranzo Scientific Centre for Care and Welfare, Tilburg University, Tilburg, The Netherlands
8. Optentia, North West University of South Africa, Vanderbijlpark, South Africa
9. Department of Rehabilitation Medicine, Centre for Rehabilitation, University of Groningen, University Medical Centre Groningen, Haren, The Netherlands
10. Department of Neurology, Medical Centre Leeuwarden, Leeuwarden, The Netherlands
11. Department of Neurology, Jeroen Bosch Hospital, ‘S-Hertogenbosch, The Netherlands
12. Department of Neurology, St. Antonius Hospital, Nieuwegein, The Netherlands
13. Department of Neurology, Zuyderland Medical Centre, Sittard-Geleen, The Netherlands
14. Department of Neurology, Catharina Hospital, Eindhoven, The Netherlands
15. Department of Neurology, Maasstad Hospital, Rotterdam, The Netherlands
16. Department of Neurology, Canisius-Wilhelmina Hospital, Nijmegen, The Netherlands
17. Department of Neurology, Leiden University Medical Centre, Leiden, The Netherlands