About the Authors
- Lisanne J. Balk
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* E-mail: L.balk@vumc.nl
Affiliation MS Centre Amsterdam, VU University Medical Centre, Amsterdam, The Netherlands
- Willemien A. E. J. de Vries–Knoppert
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Affiliation Department of Ophthalmology, VU University Medical Centre, Amsterdam, The Netherlands
- Axel Petzold
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Affiliations MS Centre Amsterdam, VU University Medical Centre, Amsterdam, The Netherlands, UCL Institute of Neurology, Queen Square, London, United Kingdom
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: LB WV AP. Performed the experiments: LB AP. Analyzed the data: LB AP. Contributed reagents/materials/analysis tools: LB AP. Wrote the paper: LB WV AP.