1. Department of NeurologyErasmus MC, University Medical Center Rotterdam Rotterdam The Netherlands
2. Department of NeurologyAlbert Schweitzer Hospital Dordrecht The Netherlands
3. Department of NeurologyAmsterdam UMC, University of Amsterdam Amsterdam The Netherlands
4. Department of NeurologyHaga Teaching Hospital The Hague The Netherlands
5. Department of NeurologyBrain Centre Rudolf Magnus, UMC Utrecht Utrecht The Netherlands
6. Department of Public HealthErasmus MC, University Medical Center Rotterdam Rotterdam The Netherlands
7. Department of ImmunologyErasmus MC, University Medical Center Rotterdam Rotterdam The Netherlands